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 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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package com.sun.crypto.provider;

import java.security.InvalidKeyException;
import java.security.MessageDigest;
import java.util.Arrays;

import jdk.internal.vm.annotation.IntrinsicCandidate;

/**
 * Implementation of the AES cipher, which is based on the following documents:
 *
 * @spec https://csrc.nist.gov/csrc/media/projects/cryptographic-standards-and-guidelines/documents/aes-development/rijndael-ammended.pdf
 *
 * @spec https://nvlpubs.nist.gov/nistpubs/FIPS/NIST.FIPS.197-upd1.pdf
 *
 * https://www.internationaljournalcorner.com/index.php/ijird_ojs/article/view/134688
 */
final class AES_Crypt extends SymmetricCipher {

    // Number of words in a block
    private static final int WB = 4;
    // Number of bytes in a word
    private static final int BW = 4;

    private static final int AES_128_ROUNDS = 10;
    private static final int AES_192_ROUNDS = 12;
    private static final int AES_256_ROUNDS = 14;

    private int rounds;
    private byte[] prevKey = null;

    // Following attributes are specific to Intrinsics, where sessionKe is the
    // unprocessed key that is also used for decryption on PPC64, S390 and
    // RISCV64 architectures. Other ones use sessionKd for decryption.
    private int[] sessionKe = null; // key for encryption
    private int[] sessionKd = null; // preprocessed key for decryption

    // Round constant
    private static final int[] RCON = {
            0x01000000, 0x02000000, 0x04000000, 0x08000000, 0x10000000,
            0x20000000, 0x40000000, 0x80000000, 0x1B000000, 0x36000000,
    };

    private static final byte[][] SBOX = {
            { (byte)0x63, (byte)0x7C, (byte)0x77, (byte)0x7B, (byte)0xF2,
              (byte)0x6B, (byte)0x6F, (byte)0xC5, (byte)0x30, (byte)0x01,
              (byte)0x67, (byte)0x2B, (byte)0xFE, (byte)0xD7, (byte)0xAB,
              (byte)0x76 },
            { (byte)0xCA, (byte)0x82, (byte)0xC9, (byte)0x7D, (byte)0xFA,
              (byte)0x59, (byte)0x47, (byte)0xF0, (byte)0xAD, (byte)0xD4,
              (byte)0xA2, (byte)0xAF, (byte)0x9C, (byte)0xA4, (byte)0x72,
              (byte)0xC0 },
            { (byte)0xB7, (byte)0xFD, (byte)0x93, (byte)0x26, (byte)0x36,
              (byte)0x3F, (byte)0xF7, (byte)0xCC, (byte)0x34, (byte)0xA5,
              (byte)0xE5, (byte)0xF1, (byte)0x71, (byte)0xD8, (byte)0x31,
              (byte)0x15 },
            { (byte)0x04, (byte)0xC7, (byte)0x23, (byte)0xC3, (byte)0x18,
              (byte)0x96, (byte)0x05, (byte)0x9A, (byte)0x07, (byte)0x12,
              (byte)0x80, (byte)0xE2, (byte)0xEB, (byte)0x27, (byte)0xB2,
              (byte)0x75 },
            { (byte)0x09, (byte)0x83, (byte)0x2C, (byte)0x1A, (byte)0x1B,
              (byte)0x6E, (byte)0x5A, (byte)0xA0, (byte)0x52, (byte)0x3B,
              (byte)0xD6, (byte)0xB3, (byte)0x29, (byte)0xE3, (byte)0x2F,
              (byte)0x84 },
            { (byte)0x53, (byte)0xD1, (byte)0x00, (byte)0xED, (byte)0x20,
              (byte)0xFC, (byte)0xB1, (byte)0x5B, (byte)0x6A, (byte)0xCB,
              (byte)0xBE, (byte)0x39, (byte)0x4A, (byte)0x4C, (byte)0x58,
              (byte)0xCF },
            { (byte)0xD0, (byte)0xEF, (byte)0xAA, (byte)0xFB, (byte)0x43,
              (byte)0x4D, (byte)0x33, (byte)0x85, (byte)0x45, (byte)0xF9,
              (byte)0x02, (byte)0x7F, (byte)0x50, (byte)0x3C, (byte)0x9F,
              (byte)0xA8 },
            { (byte)0x51, (byte)0xA3, (byte)0x40, (byte)0x8F, (byte)0x92,
              (byte)0x9D, (byte)0x38, (byte)0xF5, (byte)0xBC, (byte)0xB6,
              (byte)0xDA, (byte)0x21, (byte)0x10, (byte)0xFF, (byte)0xF3,
              (byte)0xD2 },
            { (byte)0xCD, (byte)0x0C, (byte)0x13, (byte)0xEC, (byte)0x5F,
              (byte)0x97, (byte)0x44, (byte)0x17, (byte)0xC4, (byte)0xA7,
              (byte)0x7E, (byte)0x3D, (byte)0x64, (byte)0x5D, (byte)0x19,
              (byte)0x73 },
            { (byte)0x60, (byte)0x81, (byte)0x4F, (byte)0xDC, (byte)0x22,
              (byte)0x2A, (byte)0x90, (byte)0x88, (byte)0x46, (byte)0xEE,
              (byte)0xB8, (byte)0x14, (byte)0xDE, (byte)0x5E, (byte)0x0B,
              (byte)0xDB },
            { (byte)0xE0, (byte)0x32, (byte)0x3A, (byte)0x0A, (byte)0x49,
              (byte)0x06, (byte)0x24, (byte)0x5C, (byte)0xC2, (byte)0xD3,
              (byte)0xAC, (byte)0x62, (byte)0x91, (byte)0x95, (byte)0xE4,
              (byte)0x79 },
            { (byte)0xE7, (byte)0xC8, (byte)0x37, (byte)0x6D, (byte)0x8D,
              (byte)0xD5, (byte)0x4E, (byte)0xA9, (byte)0x6C, (byte)0x56,
              (byte)0xF4, (byte)0xEA, (byte)0x65, (byte)0x7A, (byte)0xAE,
              (byte)0x08 },
            { (byte)0xBA, (byte)0x78, (byte)0x25, (byte)0x2E, (byte)0x1C,
              (byte)0xA6, (byte)0xB4, (byte)0xC6, (byte)0xE8, (byte)0xDD,
              (byte)0x74, (byte)0x1F, (byte)0x4B, (byte)0xBD, (byte)0x8B,
              (byte)0x8A },
            { (byte)0x70, (byte)0x3E, (byte)0xB5, (byte)0x66, (byte)0x48,
              (byte)0x03, (byte)0xF6, (byte)0x0E, (byte)0x61, (byte)0x35,
              (byte)0x57, (byte)0xB9, (byte)0x86, (byte)0xC1, (byte)0x1D,
              (byte)0x9E },
            { (byte)0xE1, (byte)0xF8, (byte)0x98, (byte)0x11, (byte)0x69,
              (byte)0xD9, (byte)0x8E, (byte)0x94, (byte)0x9B, (byte)0x1E,
              (byte)0x87, (byte)0xE9, (byte)0xCE, (byte)0x55, (byte)0x28,
              (byte)0xDF },
            { (byte)0x8C, (byte)0xA1, (byte)0x89, (byte)0x0D, (byte)0xBF,
              (byte)0xE6, (byte)0x42, (byte)0x68, (byte)0x41, (byte)0x99,
              (byte)0x2D, (byte)0x0F, (byte)0xB0, (byte)0x54, (byte)0xBB,
              (byte)0x16 }
    };

    // Lookup table for row 0 transforms, see section 5.2.1 of original spec.
    private static final int[] T0 = {
            0xC66363A5, 0xF87C7C84, 0xEE777799, 0xF67B7B8D, 0xFFF2F20D,
            0xD66B6BBD, 0xDE6F6FB1, 0x91C5C554, 0x60303050, 0x02010103,
            0xCE6767A9, 0x562B2B7D, 0xE7FEFE19, 0xB5D7D762, 0x4DABABE6,
            0xEC76769A, 0x8FCACA45, 0x1F82829D, 0x89C9C940, 0xFA7D7D87,
            0xEFFAFA15, 0xB25959EB, 0x8E4747C9, 0xFBF0F00B, 0x41ADADEC,
            0xB3D4D467, 0x5FA2A2FD, 0x45AFAFEA, 0x239C9CBF, 0x53A4A4F7,
            0xE4727296, 0x9BC0C05B, 0x75B7B7C2, 0xE1FDFD1C, 0x3D9393AE,
            0x4C26266A, 0x6C36365A, 0x7E3F3F41, 0xF5F7F702, 0x83CCCC4F,
            0x6834345C, 0x51A5A5F4, 0xD1E5E534, 0xF9F1F108, 0xE2717193,
            0xABD8D873, 0x62313153, 0x2A15153F, 0x0804040C, 0x95C7C752,
            0x46232365, 0x9DC3C35E, 0x30181828, 0x379696A1, 0x0A05050F,
            0x2F9A9AB5, 0x0E070709, 0x24121236, 0x1B80809B, 0xDFE2E23D,
            0xCDEBEB26, 0x4E272769, 0x7FB2B2CD, 0xEA75759F, 0x1209091B,
            0x1D83839E, 0x582C2C74, 0x341A1A2E, 0x361B1B2D, 0xDC6E6EB2,
            0xB45A5AEE, 0x5BA0A0FB, 0xA45252F6, 0x763B3B4D, 0xB7D6D661,
            0x7DB3B3CE, 0x5229297B, 0xDDE3E33E, 0x5E2F2F71, 0x13848497,
            0xA65353F5, 0xB9D1D168, 0x00000000, 0xC1EDED2C, 0x40202060,
            0xE3FCFC1F, 0x79B1B1C8, 0xB65B5BED, 0xD46A6ABE, 0x8DCBCB46,
            0x67BEBED9, 0x7239394B, 0x944A4ADE, 0x984C4CD4, 0xB05858E8,
            0x85CFCF4A, 0xBBD0D06B, 0xC5EFEF2A, 0x4FAAAAE5, 0xEDFBFB16,
            0x864343C5, 0x9A4D4DD7, 0x66333355, 0x11858594, 0x8A4545CF,
            0xE9F9F910, 0x04020206, 0xFE7F7F81, 0xA05050F0, 0x783C3C44,
            0x259F9FBA, 0x4BA8A8E3, 0xA25151F3, 0x5DA3A3FE, 0x804040C0,
            0x058F8F8A, 0x3F9292AD, 0x219D9DBC, 0x70383848, 0xF1F5F504,
            0x63BCBCDF, 0x77B6B6C1, 0xAFDADA75, 0x42212163, 0x20101030,
            0xE5FFFF1A, 0xFDF3F30E, 0xBFD2D26D, 0x81CDCD4C, 0x180C0C14,
            0x26131335, 0xC3ECEC2F, 0xBE5F5FE1, 0x359797A2, 0x884444CC,
            0x2E171739, 0x93C4C457, 0x55A7A7F2, 0xFC7E7E82, 0x7A3D3D47,
            0xC86464AC, 0xBA5D5DE7, 0x3219192B, 0xE6737395, 0xC06060A0,
            0x19818198, 0x9E4F4FD1, 0xA3DCDC7F, 0x44222266, 0x542A2A7E,
            0x3B9090AB, 0x0B888883, 0x8C4646CA, 0xC7EEEE29, 0x6BB8B8D3,
            0x2814143C, 0xA7DEDE79, 0xBC5E5EE2, 0x160B0B1D, 0xADDBDB76,
            0xDBE0E03B, 0x64323256, 0x743A3A4E, 0x140A0A1E, 0x924949DB,
            0x0C06060A, 0x4824246C, 0xB85C5CE4, 0x9FC2C25D, 0xBDD3D36E,
            0x43ACACEF, 0xC46262A6, 0x399191A8, 0x319595A4, 0xD3E4E437,
            0xF279798B, 0xD5E7E732, 0x8BC8C843, 0x6E373759, 0xDA6D6DB7,
            0x018D8D8C, 0xB1D5D564, 0x9C4E4ED2, 0x49A9A9E0, 0xD86C6CB4,
            0xAC5656FA, 0xF3F4F407, 0xCFEAEA25, 0xCA6565AF, 0xF47A7A8E,
            0x47AEAEE9, 0x10080818, 0x6FBABAD5, 0xF0787888, 0x4A25256F,
            0x5C2E2E72, 0x381C1C24, 0x57A6A6F1, 0x73B4B4C7, 0x97C6C651,
            0xCBE8E823, 0xA1DDDD7C, 0xE874749C, 0x3E1F1F21, 0x964B4BDD,
            0x61BDBDDC, 0x0D8B8B86, 0x0F8A8A85, 0xE0707090, 0x7C3E3E42,
            0x71B5B5C4, 0xCC6666AA, 0x904848D8, 0x06030305, 0xF7F6F601,
            0x1C0E0E12, 0xC26161A3, 0x6A35355F, 0xAE5757F9, 0x69B9B9D0,
            0x17868691, 0x99C1C158, 0x3A1D1D27, 0x279E9EB9, 0xD9E1E138,
            0xEBF8F813, 0x2B9898B3, 0x22111133, 0xD26969BB, 0xA9D9D970,
            0x078E8E89, 0x339494A7, 0x2D9B9BB6, 0x3C1E1E22, 0x15878792,
            0xC9E9E920, 0x87CECE49, 0xAA5555FF, 0x50282878, 0xA5DFDF7A,
            0x038C8C8F, 0x59A1A1F8, 0x09898980, 0x1A0D0D17, 0x65BFBFDA,
            0xD7E6E631, 0x844242C6, 0xD06868B8, 0x824141C3, 0x299999B0,
            0x5A2D2D77, 0x1E0F0F11, 0x7BB0B0CB, 0xA85454FC, 0x6DBBBBD6,
            0x2C16163A,
    };

    // Lookup table for row 1 transforms, see section 5.2.1 of original spec.
    private static final int[] T1 = {
            0xA5C66363, 0x84F87C7C, 0x99EE7777, 0x8DF67B7B, 0x0DFFF2F2,
            0xBDD66B6B, 0xB1DE6F6F, 0x5491C5C5, 0x50603030, 0x03020101,
            0xA9CE6767, 0x7D562B2B, 0x19E7FEFE, 0x62B5D7D7, 0xE64DABAB,
            0x9AEC7676, 0x458FCACA, 0x9D1F8282, 0x4089C9C9, 0x87FA7D7D,
            0x15EFFAFA, 0xEBB25959, 0xC98E4747, 0x0BFBF0F0, 0xEC41ADAD,
            0x67B3D4D4, 0xFD5FA2A2, 0xEA45AFAF, 0xBF239C9C, 0xF753A4A4,
            0x96E47272, 0x5B9BC0C0, 0xC275B7B7, 0x1CE1FDFD, 0xAE3D9393,
            0x6A4C2626, 0x5A6C3636, 0x417E3F3F, 0x02F5F7F7, 0x4F83CCCC,
            0x5C683434, 0xF451A5A5, 0x34D1E5E5, 0x08F9F1F1, 0x93E27171,
            0x73ABD8D8, 0x53623131, 0x3F2A1515, 0x0C080404, 0x5295C7C7,
            0x65462323, 0x5E9DC3C3, 0x28301818, 0xA1379696, 0x0F0A0505,
            0xB52F9A9A, 0x090E0707, 0x36241212, 0x9B1B8080, 0x3DDFE2E2,
            0x26CDEBEB, 0x694E2727, 0xCD7FB2B2, 0x9FEA7575, 0x1B120909,
            0x9E1D8383, 0x74582C2C, 0x2E341A1A, 0x2D361B1B, 0xB2DC6E6E,
            0xEEB45A5A, 0xFB5BA0A0, 0xF6A45252, 0x4D763B3B, 0x61B7D6D6,
            0xCE7DB3B3, 0x7B522929, 0x3EDDE3E3, 0x715E2F2F, 0x97138484,
            0xF5A65353, 0x68B9D1D1, 0x00000000, 0x2CC1EDED, 0x60402020,
            0x1FE3FCFC, 0xC879B1B1, 0xEDB65B5B, 0xBED46A6A, 0x468DCBCB,
            0xD967BEBE, 0x4B723939, 0xDE944A4A, 0xD4984C4C, 0xE8B05858,
            0x4A85CFCF, 0x6BBBD0D0, 0x2AC5EFEF, 0xE54FAAAA, 0x16EDFBFB,
            0xC5864343, 0xD79A4D4D, 0x55663333, 0x94118585, 0xCF8A4545,
            0x10E9F9F9, 0x06040202, 0x81FE7F7F, 0xF0A05050, 0x44783C3C,
            0xBA259F9F, 0xE34BA8A8, 0xF3A25151, 0xFE5DA3A3, 0xC0804040,
            0x8A058F8F, 0xAD3F9292, 0xBC219D9D, 0x48703838, 0x04F1F5F5,
            0xDF63BCBC, 0xC177B6B6, 0x75AFDADA, 0x63422121, 0x30201010,
            0x1AE5FFFF, 0x0EFDF3F3, 0x6DBFD2D2, 0x4C81CDCD, 0x14180C0C,
            0x35261313, 0x2FC3ECEC, 0xE1BE5F5F, 0xA2359797, 0xCC884444,
            0x392E1717, 0x5793C4C4, 0xF255A7A7, 0x82FC7E7E, 0x477A3D3D,
            0xACC86464, 0xE7BA5D5D, 0x2B321919, 0x95E67373, 0xA0C06060,
            0x98198181, 0xD19E4F4F, 0x7FA3DCDC, 0x66442222, 0x7E542A2A,
            0xAB3B9090, 0x830B8888, 0xCA8C4646, 0x29C7EEEE, 0xD36BB8B8,
            0x3C281414, 0x79A7DEDE, 0xE2BC5E5E, 0x1D160B0B, 0x76ADDBDB,
            0x3BDBE0E0, 0x56643232, 0x4E743A3A, 0x1E140A0A, 0xDB924949,
            0x0A0C0606, 0x6C482424, 0xE4B85C5C, 0x5D9FC2C2, 0x6EBDD3D3,
            0xEF43ACAC, 0xA6C46262, 0xA8399191, 0xA4319595, 0x37D3E4E4,
            0x8BF27979, 0x32D5E7E7, 0x438BC8C8, 0x596E3737, 0xB7DA6D6D,
            0x8C018D8D, 0x64B1D5D5, 0xD29C4E4E, 0xE049A9A9, 0xB4D86C6C,
            0xFAAC5656, 0x07F3F4F4, 0x25CFEAEA, 0xAFCA6565, 0x8EF47A7A,
            0xE947AEAE, 0x18100808, 0xD56FBABA, 0x88F07878, 0x6F4A2525,
            0x725C2E2E, 0x24381C1C, 0xF157A6A6, 0xC773B4B4, 0x5197C6C6,
            0x23CBE8E8, 0x7CA1DDDD, 0x9CE87474, 0x213E1F1F, 0xDD964B4B,
            0xDC61BDBD, 0x860D8B8B, 0x850F8A8A, 0x90E07070, 0x427C3E3E,
            0xC471B5B5, 0xAACC6666, 0xD8904848, 0x05060303, 0x01F7F6F6,
            0x121C0E0E, 0xA3C26161, 0x5F6A3535, 0xF9AE5757, 0xD069B9B9,
            0x91178686, 0x5899C1C1, 0x273A1D1D, 0xB9279E9E, 0x38D9E1E1,
            0x13EBF8F8, 0xB32B9898, 0x33221111, 0xBBD26969, 0x70A9D9D9,
            0x89078E8E, 0xA7339494, 0xB62D9B9B, 0x223C1E1E, 0x92158787,
            0x20C9E9E9, 0x4987CECE, 0xFFAA5555, 0x78502828, 0x7AA5DFDF,
            0x8F038C8C, 0xF859A1A1, 0x80098989, 0x171A0D0D, 0xDA65BFBF,
            0x31D7E6E6, 0xC6844242, 0xB8D06868, 0xC3824141, 0xB0299999,
            0x775A2D2D, 0x111E0F0F, 0xCB7BB0B0, 0xFCA85454, 0xD66DBBBB,
            0x3A2C1616,
    };

    // Lookup table for row 2 transforms, see section 5.2.1 of original spec.
    private static final int[] T2 = {
            0x63A5C663, 0x7C84F87C, 0x7799EE77, 0x7B8DF67B, 0xF20DFFF2,
            0x6BBDD66B, 0x6FB1DE6F, 0xC55491C5, 0x30506030, 0x01030201,
            0x67A9CE67, 0x2B7D562B, 0xFE19E7FE, 0xD762B5D7, 0xABE64DAB,
            0x769AEC76, 0xCA458FCA, 0x829D1F82, 0xC94089C9, 0x7D87FA7D,
            0xFA15EFFA, 0x59EBB259, 0x47C98E47, 0xF00BFBF0, 0xADEC41AD,
            0xD467B3D4, 0xA2FD5FA2, 0xAFEA45AF, 0x9CBF239C, 0xA4F753A4,
            0x7296E472, 0xC05B9BC0, 0xB7C275B7, 0xFD1CE1FD, 0x93AE3D93,
            0x266A4C26, 0x365A6C36, 0x3F417E3F, 0xF702F5F7, 0xCC4F83CC,
            0x345C6834, 0xA5F451A5, 0xE534D1E5, 0xF108F9F1, 0x7193E271,
            0xD873ABD8, 0x31536231, 0x153F2A15, 0x040C0804, 0xC75295C7,
            0x23654623, 0xC35E9DC3, 0x18283018, 0x96A13796, 0x050F0A05,
            0x9AB52F9A, 0x07090E07, 0x12362412, 0x809B1B80, 0xE23DDFE2,
            0xEB26CDEB, 0x27694E27, 0xB2CD7FB2, 0x759FEA75, 0x091B1209,
            0x839E1D83, 0x2C74582C, 0x1A2E341A, 0x1B2D361B, 0x6EB2DC6E,
            0x5AEEB45A, 0xA0FB5BA0, 0x52F6A452, 0x3B4D763B, 0xD661B7D6,
            0xB3CE7DB3, 0x297B5229, 0xE33EDDE3, 0x2F715E2F, 0x84971384,
            0x53F5A653, 0xD168B9D1, 0x00000000, 0xED2CC1ED, 0x20604020,
            0xFC1FE3FC, 0xB1C879B1, 0x5BEDB65B, 0x6ABED46A, 0xCB468DCB,
            0xBED967BE, 0x394B7239, 0x4ADE944A, 0x4CD4984C, 0x58E8B058,
            0xCF4A85CF, 0xD06BBBD0, 0xEF2AC5EF, 0xAAE54FAA, 0xFB16EDFB,
            0x43C58643, 0x4DD79A4D, 0x33556633, 0x85941185, 0x45CF8A45,
            0xF910E9F9, 0x02060402, 0x7F81FE7F, 0x50F0A050, 0x3C44783C,
            0x9FBA259F, 0xA8E34BA8, 0x51F3A251, 0xA3FE5DA3, 0x40C08040,
            0x8F8A058F, 0x92AD3F92, 0x9DBC219D, 0x38487038, 0xF504F1F5,
            0xBCDF63BC, 0xB6C177B6, 0xDA75AFDA, 0x21634221, 0x10302010,
            0xFF1AE5FF, 0xF30EFDF3, 0xD26DBFD2, 0xCD4C81CD, 0x0C14180C,
            0x13352613, 0xEC2FC3EC, 0x5FE1BE5F, 0x97A23597, 0x44CC8844,
            0x17392E17, 0xC45793C4, 0xA7F255A7, 0x7E82FC7E, 0x3D477A3D,
            0x64ACC864, 0x5DE7BA5D, 0x192B3219, 0x7395E673, 0x60A0C060,
            0x81981981, 0x4FD19E4F, 0xDC7FA3DC, 0x22664422, 0x2A7E542A,
            0x90AB3B90, 0x88830B88, 0x46CA8C46, 0xEE29C7EE, 0xB8D36BB8,
            0x143C2814, 0xDE79A7DE, 0x5EE2BC5E, 0x0B1D160B, 0xDB76ADDB,
            0xE03BDBE0, 0x32566432, 0x3A4E743A, 0x0A1E140A, 0x49DB9249,
            0x060A0C06, 0x246C4824, 0x5CE4B85C, 0xC25D9FC2, 0xD36EBDD3,
            0xACEF43AC, 0x62A6C462, 0x91A83991, 0x95A43195, 0xE437D3E4,
            0x798BF279, 0xE732D5E7, 0xC8438BC8, 0x37596E37, 0x6DB7DA6D,
            0x8D8C018D, 0xD564B1D5, 0x4ED29C4E, 0xA9E049A9, 0x6CB4D86C,
            0x56FAAC56, 0xF407F3F4, 0xEA25CFEA, 0x65AFCA65, 0x7A8EF47A,
            0xAEE947AE, 0x08181008, 0xBAD56FBA, 0x7888F078, 0x256F4A25,
            0x2E725C2E, 0x1C24381C, 0xA6F157A6, 0xB4C773B4, 0xC65197C6,
            0xE823CBE8, 0xDD7CA1DD, 0x749CE874, 0x1F213E1F, 0x4BDD964B,
            0xBDDC61BD, 0x8B860D8B, 0x8A850F8A, 0x7090E070, 0x3E427C3E,
            0xB5C471B5, 0x66AACC66, 0x48D89048, 0x03050603, 0xF601F7F6,
            0x0E121C0E, 0x61A3C261, 0x355F6A35, 0x57F9AE57, 0xB9D069B9,
            0x86911786, 0xC15899C1, 0x1D273A1D, 0x9EB9279E, 0xE138D9E1,
            0xF813EBF8, 0x98B32B98, 0x11332211, 0x69BBD269, 0xD970A9D9,
            0x8E89078E, 0x94A73394, 0x9BB62D9B, 0x1E223C1E, 0x87921587,
            0xE920C9E9, 0xCE4987CE, 0x55FFAA55, 0x28785028, 0xDF7AA5DF,
            0x8C8F038C, 0xA1F859A1, 0x89800989, 0x0D171A0D, 0xBFDA65BF,
            0xE631D7E6, 0x42C68442, 0x68B8D068, 0x41C38241, 0x99B02999,
            0x2D775A2D, 0x0F111E0F, 0xB0CB7BB0, 0x54FCA854, 0xBBD66DBB,
            0x163A2C16,
    };

    // Lookup table for row 3 transforms, see section 5.2.1 of original spec.
    private static final int[] T3 = {
            0x6363A5C6, 0x7C7C84F8, 0x777799EE, 0x7B7B8DF6, 0xF2F20DFF,
            0x6B6BBDD6, 0x6F6FB1DE, 0xC5C55491, 0x30305060, 0x01010302,
            0x6767A9CE, 0x2B2B7D56, 0xFEFE19E7, 0xD7D762B5, 0xABABE64D,
            0x76769AEC, 0xCACA458F, 0x82829D1F, 0xC9C94089, 0x7D7D87FA,
            0xFAFA15EF, 0x5959EBB2, 0x4747C98E, 0xF0F00BFB, 0xADADEC41,
            0xD4D467B3, 0xA2A2FD5F, 0xAFAFEA45, 0x9C9CBF23, 0xA4A4F753,
            0x727296E4, 0xC0C05B9B, 0xB7B7C275, 0xFDFD1CE1, 0x9393AE3D,
            0x26266A4C, 0x36365A6C, 0x3F3F417E, 0xF7F702F5, 0xCCCC4F83,
            0x34345C68, 0xA5A5F451, 0xE5E534D1, 0xF1F108F9, 0x717193E2,
            0xD8D873AB, 0x31315362, 0x15153F2A, 0x04040C08, 0xC7C75295,
            0x23236546, 0xC3C35E9D, 0x18182830, 0x9696A137, 0x05050F0A,
            0x9A9AB52F, 0x0707090E, 0x12123624, 0x80809B1B, 0xE2E23DDF,
            0xEBEB26CD, 0x2727694E, 0xB2B2CD7F, 0x75759FEA, 0x09091B12,
            0x83839E1D, 0x2C2C7458, 0x1A1A2E34, 0x1B1B2D36, 0x6E6EB2DC,
            0x5A5AEEB4, 0xA0A0FB5B, 0x5252F6A4, 0x3B3B4D76, 0xD6D661B7,
            0xB3B3CE7D, 0x29297B52, 0xE3E33EDD, 0x2F2F715E, 0x84849713,
            0x5353F5A6, 0xD1D168B9, 0x00000000, 0xEDED2CC1, 0x20206040,
            0xFCFC1FE3, 0xB1B1C879, 0x5B5BEDB6, 0x6A6ABED4, 0xCBCB468D,
            0xBEBED967, 0x39394B72, 0x4A4ADE94, 0x4C4CD498, 0x5858E8B0,
            0xCFCF4A85, 0xD0D06BBB, 0xEFEF2AC5, 0xAAAAE54F, 0xFBFB16ED,
            0x4343C586, 0x4D4DD79A, 0x33335566, 0x85859411, 0x4545CF8A,
            0xF9F910E9, 0x02020604, 0x7F7F81FE, 0x5050F0A0, 0x3C3C4478,
            0x9F9FBA25, 0xA8A8E34B, 0x5151F3A2, 0xA3A3FE5D, 0x4040C080,
            0x8F8F8A05, 0x9292AD3F, 0x9D9DBC21, 0x38384870, 0xF5F504F1,
            0xBCBCDF63, 0xB6B6C177, 0xDADA75AF, 0x21216342, 0x10103020,
            0xFFFF1AE5, 0xF3F30EFD, 0xD2D26DBF, 0xCDCD4C81, 0x0C0C1418,
            0x13133526, 0xECEC2FC3, 0x5F5FE1BE, 0x9797A235, 0x4444CC88,
            0x1717392E, 0xC4C45793, 0xA7A7F255, 0x7E7E82FC, 0x3D3D477A,
            0x6464ACC8, 0x5D5DE7BA, 0x19192B32, 0x737395E6, 0x6060A0C0,
            0x81819819, 0x4F4FD19E, 0xDCDC7FA3, 0x22226644, 0x2A2A7E54,
            0x9090AB3B, 0x8888830B, 0x4646CA8C, 0xEEEE29C7, 0xB8B8D36B,
            0x14143C28, 0xDEDE79A7, 0x5E5EE2BC, 0x0B0B1D16, 0xDBDB76AD,
            0xE0E03BDB, 0x32325664, 0x3A3A4E74, 0x0A0A1E14, 0x4949DB92,
            0x06060A0C, 0x24246C48, 0x5C5CE4B8, 0xC2C25D9F, 0xD3D36EBD,
            0xACACEF43, 0x6262A6C4, 0x9191A839, 0x9595A431, 0xE4E437D3,
            0x79798BF2, 0xE7E732D5, 0xC8C8438B, 0x3737596E, 0x6D6DB7DA,
            0x8D8D8C01, 0xD5D564B1, 0x4E4ED29C, 0xA9A9E049, 0x6C6CB4D8,
            0x5656FAAC, 0xF4F407F3, 0xEAEA25CF, 0x6565AFCA, 0x7A7A8EF4,
            0xAEAEE947, 0x08081810, 0xBABAD56F, 0x787888F0, 0x25256F4A,
            0x2E2E725C, 0x1C1C2438, 0xA6A6F157, 0xB4B4C773, 0xC6C65197,
            0xE8E823CB, 0xDDDD7CA1, 0x74749CE8, 0x1F1F213E, 0x4B4BDD96,
            0xBDBDDC61, 0x8B8B860D, 0x8A8A850F, 0x707090E0, 0x3E3E427C,
            0xB5B5C471, 0x6666AACC, 0x4848D890, 0x03030506, 0xF6F601F7,
            0x0E0E121C, 0x6161A3C2, 0x35355F6A, 0x5757F9AE, 0xB9B9D069,
            0x86869117, 0xC1C15899, 0x1D1D273A, 0x9E9EB927, 0xE1E138D9,
            0xF8F813EB, 0x9898B32B, 0x11113322, 0x6969BBD2, 0xD9D970A9,
            0x8E8E8907, 0x9494A733, 0x9B9BB62D, 0x1E1E223C, 0x87879215,
            0xE9E920C9, 0xCECE4987, 0x5555FFAA, 0x28287850, 0xDFDF7AA5,
            0x8C8C8F03, 0xA1A1F859, 0x89898009, 0x0D0D171A, 0xBFBFDA65,
            0xE6E631D7, 0x4242C684, 0x6868B8D0, 0x4141C382, 0x9999B029,
            0x2D2D775A, 0x0F0F111E, 0xB0B0CB7B, 0x5454FCA8, 0xBBBBD66D,
            0x16163A2C,
    };

    // Lookup table for row 0 inverse transforms, see section 5.2.1 of original
    // spec.
    private static final int[] TI0 = {
            0x51F4A750, 0x7E416553, 0x1A17A4C3, 0x3A275E96, 0x3BAB6BCB,
            0x1F9D45F1, 0xACFA58AB, 0x4BE30393, 0x2030FA55, 0xAD766DF6,
            0x88CC7691, 0xF5024C25, 0x4FE5D7FC, 0xC52ACBD7, 0x26354480,
            0xB562A38F, 0xDEB15A49, 0x25BA1B67, 0x45EA0E98, 0x5DFEC0E1,
            0xC32F7502, 0x814CF012, 0x8D4697A3, 0x6BD3F9C6, 0x038F5FE7,
            0x15929C95, 0xBF6D7AEB, 0x955259DA, 0xD4BE832D, 0x587421D3,
            0x49E06929, 0x8EC9C844, 0x75C2896A, 0xF48E7978, 0x99583E6B,
            0x27B971DD, 0xBEE14FB6, 0xF088AD17, 0xC920AC66, 0x7DCE3AB4,
            0x63DF4A18, 0xE51A3182, 0x97513360, 0x62537F45, 0xB16477E0,
            0xBB6BAE84, 0xFE81A01C, 0xF9082B94, 0x70486858, 0x8F45FD19,
            0x94DE6C87, 0x527BF8B7, 0xAB73D323, 0x724B02E2, 0xE31F8F57,
            0x6655AB2A, 0xB2EB2807, 0x2FB5C203, 0x86C57B9A, 0xD33708A5,
            0x302887F2, 0x23BFA5B2, 0x02036ABA, 0xED16825C, 0x8ACF1C2B,
            0xA779B492, 0xF307F2F0, 0x4E69E2A1, 0x65DAF4CD, 0x0605BED5,
            0xD134621F, 0xC4A6FE8A, 0x342E539D, 0xA2F355A0, 0x058AE132,
            0xA4F6EB75, 0x0B83EC39, 0x4060EFAA, 0x5E719F06, 0xBD6E1051,
            0x3E218AF9, 0x96DD063D, 0xDD3E05AE, 0x4DE6BD46, 0x91548DB5,
            0x71C45D05, 0x0406D46F, 0x605015FF, 0x1998FB24, 0xD6BDE997,
            0x894043CC, 0x67D99E77, 0xB0E842BD, 0x07898B88, 0xE7195B38,
            0x79C8EEDB, 0xA17C0A47, 0x7C420FE9, 0xF8841EC9, 0x00000000,
            0x09808683, 0x322BED48, 0x1E1170AC, 0x6C5A724E, 0xFD0EFFFB,
            0x0F853856, 0x3DAED51E, 0x362D3927, 0x0A0FD964, 0x685CA621,
            0x9B5B54D1, 0x24362E3A, 0x0C0A67B1, 0x9357E70F, 0xB4EE96D2,
            0x1B9B919E, 0x80C0C54F, 0x61DC20A2, 0x5A774B69, 0x1C121A16,
            0xE293BA0A, 0xC0A02AE5, 0x3C22E043, 0x121B171D, 0x0E090D0B,
            0xF28BC7AD, 0x2DB6A8B9, 0x141EA9C8, 0x57F11985, 0xAF75074C,
            0xEE99DDBB, 0xA37F60FD, 0xF701269F, 0x5C72F5BC, 0x44663BC5,
            0x5BFB7E34, 0x8B432976, 0xCB23C6DC, 0xB6EDFC68, 0xB8E4F163,
            0xD731DCCA, 0x42638510, 0x13972240, 0x84C61120, 0x854A247D,
            0xD2BB3DF8, 0xAEF93211, 0xC729A16D, 0x1D9E2F4B, 0xDCB230F3,
            0x0D8652EC, 0x77C1E3D0, 0x2BB3166C, 0xA970B999, 0x119448FA,
            0x47E96422, 0xA8FC8CC4, 0xA0F03F1A, 0x567D2CD8, 0x223390EF,
            0x87494EC7, 0xD938D1C1, 0x8CCAA2FE, 0x98D40B36, 0xA6F581CF,
            0xA57ADE28, 0xDAB78E26, 0x3FADBFA4, 0x2C3A9DE4, 0x5078920D,
            0x6A5FCC9B, 0x547E4662, 0xF68D13C2, 0x90D8B8E8, 0x2E39F75E,
            0x82C3AFF5, 0x9F5D80BE, 0x69D0937C, 0x6FD52DA9, 0xCF2512B3,
            0xC8AC993B, 0x10187DA7, 0xE89C636E, 0xDB3BBB7B, 0xCD267809,
            0x6E5918F4, 0xEC9AB701, 0x834F9AA8, 0xE6956E65, 0xAAFFE67E,
            0x21BCCF08, 0xEF15E8E6, 0xBAE79BD9, 0x4A6F36CE, 0xEA9F09D4,
            0x29B07CD6, 0x31A4B2AF, 0x2A3F2331, 0xC6A59430, 0x35A266C0,
            0x744EBC37, 0xFC82CAA6, 0xE090D0B0, 0x33A7D815, 0xF104984A,
            0x41ECDAF7, 0x7FCD500E, 0x1791F62F, 0x764DD68D, 0x43EFB04D,
            0xCCAA4D54, 0xE49604DF, 0x9ED1B5E3, 0x4C6A881B, 0xC12C1FB8,
            0x4665517F, 0x9D5EEA04, 0x018C355D, 0xFA877473, 0xFB0B412E,
            0xB3671D5A, 0x92DBD252, 0xE9105633, 0x6DD64713, 0x9AD7618C,
            0x37A10C7A, 0x59F8148E, 0xEB133C89, 0xCEA927EE, 0xB761C935,
            0xE11CE5ED, 0x7A47B13C, 0x9CD2DF59, 0x55F2733F, 0x1814CE79,
            0x73C737BF, 0x53F7CDEA, 0x5FFDAA5B, 0xDF3D6F14, 0x7844DB86,
            0xCAAFF381, 0xB968C43E, 0x3824342C, 0xC2A3405F, 0x161DC372,
            0xBCE2250C, 0x283C498B, 0xFF0D9541, 0x39A80171, 0x080CB3DE,
            0xD8B4E49C, 0x6456C190, 0x7BCB8461, 0xD532B670, 0x486C5C74,
            0xD0B85742,
    };

    // Lookup table for row 1 inverse transforms, see section 5.2.1 of original
    // spec.
    private static final int[] TI1 = {
            0x5051F4A7, 0x537E4165, 0xC31A17A4, 0x963A275E, 0xCB3BAB6B,
            0xF11F9D45, 0xABACFA58, 0x934BE303, 0x552030FA, 0xF6AD766D,
            0x9188CC76, 0x25F5024C, 0xFC4FE5D7, 0xD7C52ACB, 0x80263544,
            0x8FB562A3, 0x49DEB15A, 0x6725BA1B, 0x9845EA0E, 0xE15DFEC0,
            0x02C32F75, 0x12814CF0, 0xA38D4697, 0xC66BD3F9, 0xE7038F5F,
            0x9515929C, 0xEBBF6D7A, 0xDA955259, 0x2DD4BE83, 0xD3587421,
            0x2949E069, 0x448EC9C8, 0x6A75C289, 0x78F48E79, 0x6B99583E,
            0xDD27B971, 0xB6BEE14F, 0x17F088AD, 0x66C920AC, 0xB47DCE3A,
            0x1863DF4A, 0x82E51A31, 0x60975133, 0x4562537F, 0xE0B16477,
            0x84BB6BAE, 0x1CFE81A0, 0x94F9082B, 0x58704868, 0x198F45FD,
            0x8794DE6C, 0xB7527BF8, 0x23AB73D3, 0xE2724B02, 0x57E31F8F,
            0x2A6655AB, 0x07B2EB28, 0x032FB5C2, 0x9A86C57B, 0xA5D33708,
            0xF2302887, 0xB223BFA5, 0xBA02036A, 0x5CED1682, 0x2B8ACF1C,
            0x92A779B4, 0xF0F307F2, 0xA14E69E2, 0xCD65DAF4, 0xD50605BE,
            0x1FD13462, 0x8AC4A6FE, 0x9D342E53, 0xA0A2F355, 0x32058AE1,
            0x75A4F6EB, 0x390B83EC, 0xAA4060EF, 0x065E719F, 0x51BD6E10,
            0xF93E218A, 0x3D96DD06, 0xAEDD3E05, 0x464DE6BD, 0xB591548D,
            0x0571C45D, 0x6F0406D4, 0xFF605015, 0x241998FB, 0x97D6BDE9,
            0xCC894043, 0x7767D99E, 0xBDB0E842, 0x8807898B, 0x38E7195B,
            0xDB79C8EE, 0x47A17C0A, 0xE97C420F, 0xC9F8841E, 0x00000000,
            0x83098086, 0x48322BED, 0xAC1E1170, 0x4E6C5A72, 0xFBFD0EFF,
            0x560F8538, 0x1E3DAED5, 0x27362D39, 0x640A0FD9, 0x21685CA6,
            0xD19B5B54, 0x3A24362E, 0xB10C0A67, 0x0F9357E7, 0xD2B4EE96,
            0x9E1B9B91, 0x4F80C0C5, 0xA261DC20, 0x695A774B, 0x161C121A,
            0x0AE293BA, 0xE5C0A02A, 0x433C22E0, 0x1D121B17, 0x0B0E090D,
            0xADF28BC7, 0xB92DB6A8, 0xC8141EA9, 0x8557F119, 0x4CAF7507,
            0xBBEE99DD, 0xFDA37F60, 0x9FF70126, 0xBC5C72F5, 0xC544663B,
            0x345BFB7E, 0x768B4329, 0xDCCB23C6, 0x68B6EDFC, 0x63B8E4F1,
            0xCAD731DC, 0x10426385, 0x40139722, 0x2084C611, 0x7D854A24,
            0xF8D2BB3D, 0x11AEF932, 0x6DC729A1, 0x4B1D9E2F, 0xF3DCB230,
            0xEC0D8652, 0xD077C1E3, 0x6C2BB316, 0x99A970B9, 0xFA119448,
            0x2247E964, 0xC4A8FC8C, 0x1AA0F03F, 0xD8567D2C, 0xEF223390,
            0xC787494E, 0xC1D938D1, 0xFE8CCAA2, 0x3698D40B, 0xCFA6F581,
            0x28A57ADE, 0x26DAB78E, 0xA43FADBF, 0xE42C3A9D, 0x0D507892,
            0x9B6A5FCC, 0x62547E46, 0xC2F68D13, 0xE890D8B8, 0x5E2E39F7,
            0xF582C3AF, 0xBE9F5D80, 0x7C69D093, 0xA96FD52D, 0xB3CF2512,
            0x3BC8AC99, 0xA710187D, 0x6EE89C63, 0x7BDB3BBB, 0x09CD2678,
            0xF46E5918, 0x01EC9AB7, 0xA8834F9A, 0x65E6956E, 0x7EAAFFE6,
            0x0821BCCF, 0xE6EF15E8, 0xD9BAE79B, 0xCE4A6F36, 0xD4EA9F09,
            0xD629B07C, 0xAF31A4B2, 0x312A3F23, 0x30C6A594, 0xC035A266,
            0x37744EBC, 0xA6FC82CA, 0xB0E090D0, 0x1533A7D8, 0x4AF10498,
            0xF741ECDA, 0x0E7FCD50, 0x2F1791F6, 0x8D764DD6, 0x4D43EFB0,
            0x54CCAA4D, 0xDFE49604, 0xE39ED1B5, 0x1B4C6A88, 0xB8C12C1F,
            0x7F466551, 0x049D5EEA, 0x5D018C35, 0x73FA8774, 0x2EFB0B41,
            0x5AB3671D, 0x5292DBD2, 0x33E91056, 0x136DD647, 0x8C9AD761,
            0x7A37A10C, 0x8E59F814, 0x89EB133C, 0xEECEA927, 0x35B761C9,
            0xEDE11CE5, 0x3C7A47B1, 0x599CD2DF, 0x3F55F273, 0x791814CE,
            0xBF73C737, 0xEA53F7CD, 0x5B5FFDAA, 0x14DF3D6F, 0x867844DB,
            0x81CAAFF3, 0x3EB968C4, 0x2C382434, 0x5FC2A340, 0x72161DC3,
            0x0CBCE225, 0x8B283C49, 0x41FF0D95, 0x7139A801, 0xDE080CB3,
            0x9CD8B4E4, 0x906456C1, 0x617BCB84, 0x70D532B6, 0x74486C5C,
            0x42D0B857,
    };

    // Lookup table for row 2 inverse transforms, see section 5.2.1 of original
    // spec.
    private static final int[] TI2 = {
            0xA75051F4, 0x65537E41, 0xA4C31A17, 0x5E963A27, 0x6BCB3BAB,
            0x45F11F9D, 0x58ABACFA, 0x03934BE3, 0xFA552030, 0x6DF6AD76,
            0x769188CC, 0x4C25F502, 0xD7FC4FE5, 0xCBD7C52A, 0x44802635,
            0xA38FB562, 0x5A49DEB1, 0x1B6725BA, 0x0E9845EA, 0xC0E15DFE,
            0x7502C32F, 0xF012814C, 0x97A38D46, 0xF9C66BD3, 0x5FE7038F,
            0x9C951592, 0x7AEBBF6D, 0x59DA9552, 0x832DD4BE, 0x21D35874,
            0x692949E0, 0xC8448EC9, 0x896A75C2, 0x7978F48E, 0x3E6B9958,
            0x71DD27B9, 0x4FB6BEE1, 0xAD17F088, 0xAC66C920, 0x3AB47DCE,
            0x4A1863DF, 0x3182E51A, 0x33609751, 0x7F456253, 0x77E0B164,
            0xAE84BB6B, 0xA01CFE81, 0x2B94F908, 0x68587048, 0xFD198F45,
            0x6C8794DE, 0xF8B7527B, 0xD323AB73, 0x02E2724B, 0x8F57E31F,
            0xAB2A6655, 0x2807B2EB, 0xC2032FB5, 0x7B9A86C5, 0x08A5D337,
            0x87F23028, 0xA5B223BF, 0x6ABA0203, 0x825CED16, 0x1C2B8ACF,
            0xB492A779, 0xF2F0F307, 0xE2A14E69, 0xF4CD65DA, 0xBED50605,
            0x621FD134, 0xFE8AC4A6, 0x539D342E, 0x55A0A2F3, 0xE132058A,
            0xEB75A4F6, 0xEC390B83, 0xEFAA4060, 0x9F065E71, 0x1051BD6E,
            0x8AF93E21, 0x063D96DD, 0x05AEDD3E, 0xBD464DE6, 0x8DB59154,
            0x5D0571C4, 0xD46F0406, 0x15FF6050, 0xFB241998, 0xE997D6BD,
            0x43CC8940, 0x9E7767D9, 0x42BDB0E8, 0x8B880789, 0x5B38E719,
            0xEEDB79C8, 0x0A47A17C, 0x0FE97C42, 0x1EC9F884, 0x00000000,
            0x86830980, 0xED48322B, 0x70AC1E11, 0x724E6C5A, 0xFFFBFD0E,
            0x38560F85, 0xD51E3DAE, 0x3927362D, 0xD9640A0F, 0xA621685C,
            0x54D19B5B, 0x2E3A2436, 0x67B10C0A, 0xE70F9357, 0x96D2B4EE,
            0x919E1B9B, 0xC54F80C0, 0x20A261DC, 0x4B695A77, 0x1A161C12,
            0xBA0AE293, 0x2AE5C0A0, 0xE0433C22, 0x171D121B, 0x0D0B0E09,
            0xC7ADF28B, 0xA8B92DB6, 0xA9C8141E, 0x198557F1, 0x074CAF75,
            0xDDBBEE99, 0x60FDA37F, 0x269FF701, 0xF5BC5C72, 0x3BC54466,
            0x7E345BFB, 0x29768B43, 0xC6DCCB23, 0xFC68B6ED, 0xF163B8E4,
            0xDCCAD731, 0x85104263, 0x22401397, 0x112084C6, 0x247D854A,
            0x3DF8D2BB, 0x3211AEF9, 0xA16DC729, 0x2F4B1D9E, 0x30F3DCB2,
            0x52EC0D86, 0xE3D077C1, 0x166C2BB3, 0xB999A970, 0x48FA1194,
            0x642247E9, 0x8CC4A8FC, 0x3F1AA0F0, 0x2CD8567D, 0x90EF2233,
            0x4EC78749, 0xD1C1D938, 0xA2FE8CCA, 0x0B3698D4, 0x81CFA6F5,
            0xDE28A57A, 0x8E26DAB7, 0xBFA43FAD, 0x9DE42C3A, 0x920D5078,
            0xCC9B6A5F, 0x4662547E, 0x13C2F68D, 0xB8E890D8, 0xF75E2E39,
            0xAFF582C3, 0x80BE9F5D, 0x937C69D0, 0x2DA96FD5, 0x12B3CF25,
            0x993BC8AC, 0x7DA71018, 0x636EE89C, 0xBB7BDB3B, 0x7809CD26,
            0x18F46E59, 0xB701EC9A, 0x9AA8834F, 0x6E65E695, 0xE67EAAFF,
            0xCF0821BC, 0xE8E6EF15, 0x9BD9BAE7, 0x36CE4A6F, 0x09D4EA9F,
            0x7CD629B0, 0xB2AF31A4, 0x23312A3F, 0x9430C6A5, 0x66C035A2,
            0xBC37744E, 0xCAA6FC82, 0xD0B0E090, 0xD81533A7, 0x984AF104,
            0xDAF741EC, 0x500E7FCD, 0xF62F1791, 0xD68D764D, 0xB04D43EF,
            0x4D54CCAA, 0x04DFE496, 0xB5E39ED1, 0x881B4C6A, 0x1FB8C12C,
            0x517F4665, 0xEA049D5E, 0x355D018C, 0x7473FA87, 0x412EFB0B,
            0x1D5AB367, 0xD25292DB, 0x5633E910, 0x47136DD6, 0x618C9AD7,
            0x0C7A37A1, 0x148E59F8, 0x3C89EB13, 0x27EECEA9, 0xC935B761,
            0xE5EDE11C, 0xB13C7A47, 0xDF599CD2, 0x733F55F2, 0xCE791814,
            0x37BF73C7, 0xCDEA53F7, 0xAA5B5FFD, 0x6F14DF3D, 0xDB867844,
            0xF381CAAF, 0xC43EB968, 0x342C3824, 0x405FC2A3, 0xC372161D,
            0x250CBCE2, 0x498B283C, 0x9541FF0D, 0x017139A8, 0xB3DE080C,
            0xE49CD8B4, 0xC1906456, 0x84617BCB, 0xB670D532, 0x5C74486C,
            0x5742D0B8,
    };

    // Lookup table for row 3 inverse transforms, see section 5.2.1 of original
    // spec.
    private static final int[] TI3 = {
            0xF4A75051, 0x4165537E, 0x17A4C31A, 0x275E963A, 0xAB6BCB3B,
            0x9D45F11F, 0xFA58ABAC, 0xE303934B, 0x30FA5520, 0x766DF6AD,
            0xCC769188, 0x024C25F5, 0xE5D7FC4F, 0x2ACBD7C5, 0x35448026,
            0x62A38FB5, 0xB15A49DE, 0xBA1B6725, 0xEA0E9845, 0xFEC0E15D,
            0x2F7502C3, 0x4CF01281, 0x4697A38D, 0xD3F9C66B, 0x8F5FE703,
            0x929C9515, 0x6D7AEBBF, 0x5259DA95, 0xBE832DD4, 0x7421D358,
            0xE0692949, 0xC9C8448E, 0xC2896A75, 0x8E7978F4, 0x583E6B99,
            0xB971DD27, 0xE14FB6BE, 0x88AD17F0, 0x20AC66C9, 0xCE3AB47D,
            0xDF4A1863, 0x1A3182E5, 0x51336097, 0x537F4562, 0x6477E0B1,
            0x6BAE84BB, 0x81A01CFE, 0x082B94F9, 0x48685870, 0x45FD198F,
            0xDE6C8794, 0x7BF8B752, 0x73D323AB, 0x4B02E272, 0x1F8F57E3,
            0x55AB2A66, 0xEB2807B2, 0xB5C2032F, 0xC57B9A86, 0x3708A5D3,
            0x2887F230, 0xBFA5B223, 0x036ABA02, 0x16825CED, 0xCF1C2B8A,
            0x79B492A7, 0x07F2F0F3, 0x69E2A14E, 0xDAF4CD65, 0x05BED506,
            0x34621FD1, 0xA6FE8AC4, 0x2E539D34, 0xF355A0A2, 0x8AE13205,
            0xF6EB75A4, 0x83EC390B, 0x60EFAA40, 0x719F065E, 0x6E1051BD,
            0x218AF93E, 0xDD063D96, 0x3E05AEDD, 0xE6BD464D, 0x548DB591,
            0xC45D0571, 0x06D46F04, 0x5015FF60, 0x98FB2419, 0xBDE997D6,
            0x4043CC89, 0xD99E7767, 0xE842BDB0, 0x898B8807, 0x195B38E7,
            0xC8EEDB79, 0x7C0A47A1, 0x420FE97C, 0x841EC9F8, 0x00000000,
            0x80868309, 0x2BED4832, 0x1170AC1E, 0x5A724E6C, 0x0EFFFBFD,
            0x8538560F, 0xAED51E3D, 0x2D392736, 0x0FD9640A, 0x5CA62168,
            0x5B54D19B, 0x362E3A24, 0x0A67B10C, 0x57E70F93, 0xEE96D2B4,
            0x9B919E1B, 0xC0C54F80, 0xDC20A261, 0x774B695A, 0x121A161C,
            0x93BA0AE2, 0xA02AE5C0, 0x22E0433C, 0x1B171D12, 0x090D0B0E,
            0x8BC7ADF2, 0xB6A8B92D, 0x1EA9C814, 0xF1198557, 0x75074CAF,
            0x99DDBBEE, 0x7F60FDA3, 0x01269FF7, 0x72F5BC5C, 0x663BC544,
            0xFB7E345B, 0x4329768B, 0x23C6DCCB, 0xEDFC68B6, 0xE4F163B8,
            0x31DCCAD7, 0x63851042, 0x97224013, 0xC6112084, 0x4A247D85,
            0xBB3DF8D2, 0xF93211AE, 0x29A16DC7, 0x9E2F4B1D, 0xB230F3DC,
            0x8652EC0D, 0xC1E3D077, 0xB3166C2B, 0x70B999A9, 0x9448FA11,
            0xE9642247, 0xFC8CC4A8, 0xF03F1AA0, 0x7D2CD856, 0x3390EF22,
            0x494EC787, 0x38D1C1D9, 0xCAA2FE8C, 0xD40B3698, 0xF581CFA6,
            0x7ADE28A5, 0xB78E26DA, 0xADBFA43F, 0x3A9DE42C, 0x78920D50,
            0x5FCC9B6A, 0x7E466254, 0x8D13C2F6, 0xD8B8E890, 0x39F75E2E,
            0xC3AFF582, 0x5D80BE9F, 0xD0937C69, 0xD52DA96F, 0x2512B3CF,
            0xAC993BC8, 0x187DA710, 0x9C636EE8, 0x3BBB7BDB, 0x267809CD,
            0x5918F46E, 0x9AB701EC, 0x4F9AA883, 0x956E65E6, 0xFFE67EAA,
            0xBCCF0821, 0x15E8E6EF, 0xE79BD9BA, 0x6F36CE4A, 0x9F09D4EA,
            0xB07CD629, 0xA4B2AF31, 0x3F23312A, 0xA59430C6, 0xA266C035,
            0x4EBC3774, 0x82CAA6FC, 0x90D0B0E0, 0xA7D81533, 0x04984AF1,
            0xECDAF741, 0xCD500E7F, 0x91F62F17, 0x4DD68D76, 0xEFB04D43,
            0xAA4D54CC, 0x9604DFE4, 0xD1B5E39E, 0x6A881B4C, 0x2C1FB8C1,
            0x65517F46, 0x5EEA049D, 0x8C355D01, 0x877473FA, 0x0B412EFB,
            0x671D5AB3, 0xDBD25292, 0x105633E9, 0xD647136D, 0xD7618C9A,
            0xA10C7A37, 0xF8148E59, 0x133C89EB, 0xA927EECE, 0x61C935B7,
            0x1CE5EDE1, 0x47B13C7A, 0xD2DF599C, 0xF2733F55, 0x14CE7918,
            0xC737BF73, 0xF7CDEA53, 0xFDAA5B5F, 0x3D6F14DF, 0x44DB8678,
            0xAFF381CA, 0x68C43EB9, 0x24342C38, 0xA3405FC2, 0x1DC37216,
            0xE2250CBC, 0x3C498B28, 0x0D9541FF, 0xA8017139, 0x0CB3DE08,
            0xB4E49CD8, 0x56C19064, 0xCB84617B, 0x32B670D5, 0x6C5C7448,
            0xB85742D0,
    };

    // Lookup table for inverse substitution transform of last round as
    // described in the international journal article referenced.
    private static final int[] TI4 = {
            0x52525252, 0x09090909, 0x6A6A6A6A, 0xD5D5D5D5, 0x30303030,
            0x36363636, 0xA5A5A5A5, 0x38383838, 0xBFBFBFBF, 0x40404040,
            0xA3A3A3A3, 0x9E9E9E9E, 0x81818181, 0xF3F3F3F3, 0xD7D7D7D7,
            0xFBFBFBFB, 0x7C7C7C7C, 0xE3E3E3E3, 0x39393939, 0x82828282,
            0x9B9B9B9B, 0x2F2F2F2F, 0xFFFFFFFF, 0x87878787, 0x34343434,
            0x8E8E8E8E, 0x43434343, 0x44444444, 0xC4C4C4C4, 0xDEDEDEDE,
            0xE9E9E9E9, 0xCBCBCBCB, 0x54545454, 0x7B7B7B7B, 0x94949494,
            0x32323232, 0xA6A6A6A6, 0xC2C2C2C2, 0x23232323, 0x3D3D3D3D,
            0xEEEEEEEE, 0x4C4C4C4C, 0x95959595, 0x0B0B0B0B, 0x42424242,
            0xFAFAFAFA, 0xC3C3C3C3, 0x4E4E4E4E, 0x08080808, 0x2E2E2E2E,
            0xA1A1A1A1, 0x66666666, 0x28282828, 0xD9D9D9D9, 0x24242424,
            0xB2B2B2B2, 0x76767676, 0x5B5B5B5B, 0xA2A2A2A2, 0x49494949,
            0x6D6D6D6D, 0x8B8B8B8B, 0xD1D1D1D1, 0x25252525, 0x72727272,
            0xF8F8F8F8, 0xF6F6F6F6, 0x64646464, 0x86868686, 0x68686868,
            0x98989898, 0x16161616, 0xD4D4D4D4, 0xA4A4A4A4, 0x5C5C5C5C,
            0xCCCCCCCC, 0x5D5D5D5D, 0x65656565, 0xB6B6B6B6, 0x92929292,
            0x6C6C6C6C, 0x70707070, 0x48484848, 0x50505050, 0xFDFDFDFD,
            0xEDEDEDED, 0xB9B9B9B9, 0xDADADADA, 0x5E5E5E5E, 0x15151515,
            0x46464646, 0x57575757, 0xA7A7A7A7, 0x8D8D8D8D, 0x9D9D9D9D,
            0x84848484, 0x90909090, 0xD8D8D8D8, 0xABABABAB, 0x00000000,
            0x8C8C8C8C, 0xBCBCBCBC, 0xD3D3D3D3, 0x0A0A0A0A, 0xF7F7F7F7,
            0xE4E4E4E4, 0x58585858, 0x05050505, 0xB8B8B8B8, 0xB3B3B3B3,
            0x45454545, 0x06060606, 0xD0D0D0D0, 0x2C2C2C2C, 0x1E1E1E1E,
            0x8F8F8F8F, 0xCACACACA, 0x3F3F3F3F, 0x0F0F0F0F, 0x02020202,
            0xC1C1C1C1, 0xAFAFAFAF, 0xBDBDBDBD, 0x03030303, 0x01010101,
            0x13131313, 0x8A8A8A8A, 0x6B6B6B6B, 0x3A3A3A3A, 0x91919191,
            0x11111111, 0x41414141, 0x4F4F4F4F, 0x67676767, 0xDCDCDCDC,
            0xEAEAEAEA, 0x97979797, 0xF2F2F2F2, 0xCFCFCFCF, 0xCECECECE,
            0xF0F0F0F0, 0xB4B4B4B4, 0xE6E6E6E6, 0x73737373, 0x96969696,
            0xACACACAC, 0x74747474, 0x22222222, 0xE7E7E7E7, 0xADADADAD,
            0x35353535, 0x85858585, 0xE2E2E2E2, 0xF9F9F9F9, 0x37373737,
            0xE8E8E8E8, 0x1C1C1C1C, 0x75757575, 0xDFDFDFDF, 0x6E6E6E6E,
            0x47474747, 0xF1F1F1F1, 0x1A1A1A1A, 0x71717171, 0x1D1D1D1D,
            0x29292929, 0xC5C5C5C5, 0x89898989, 0x6F6F6F6F, 0xB7B7B7B7,
            0x62626262, 0x0E0E0E0E, 0xAAAAAAAA, 0x18181818, 0xBEBEBEBE,
            0x1B1B1B1B, 0xFCFCFCFC, 0x56565656, 0x3E3E3E3E, 0x4B4B4B4B,
            0xC6C6C6C6, 0xD2D2D2D2, 0x79797979, 0x20202020, 0x9A9A9A9A,
            0xDBDBDBDB, 0xC0C0C0C0, 0xFEFEFEFE, 0x78787878, 0xCDCDCDCD,
            0x5A5A5A5A, 0xF4F4F4F4, 0x1F1F1F1F, 0xDDDDDDDD, 0xA8A8A8A8,
            0x33333333, 0x88888888, 0x07070707, 0xC7C7C7C7, 0x31313131,
            0xB1B1B1B1, 0x12121212, 0x10101010, 0x59595959, 0x27272727,
            0x80808080, 0xECECECEC, 0x5F5F5F5F, 0x60606060, 0x51515151,
            0x7F7F7F7F, 0xA9A9A9A9, 0x19191919, 0xB5B5B5B5, 0x4A4A4A4A,
            0x0D0D0D0D, 0x2D2D2D2D, 0xE5E5E5E5, 0x7A7A7A7A, 0x9F9F9F9F,
            0x93939393, 0xC9C9C9C9, 0x9C9C9C9C, 0xEFEFEFEF, 0xA0A0A0A0,
            0xE0E0E0E0, 0x3B3B3B3B, 0x4D4D4D4D, 0xAEAEAEAE, 0x2A2A2A2A,
            0xF5F5F5F5, 0xB0B0B0B0, 0xC8C8C8C8, 0xEBEBEBEB, 0xBBBBBBBB,
            0x3C3C3C3C, 0x83838383, 0x53535353, 0x99999999, 0x61616161,
            0x17171717, 0x2B2B2B2B, 0x04040404, 0x7E7E7E7E, 0xBABABABA,
            0x77777777, 0xD6D6D6D6, 0x26262626, 0xE1E1E1E1, 0x69696969,
            0x14141414, 0x63636363, 0x55555555, 0x21212121, 0x0C0C0C0C,
            0x7D7D7D7D,
    };

    // Lookup table for row 0 of the inverse mix column transform.
    private static final int[] TMI0 = {
            0x00000000, 0x0E090D0B, 0x1C121A16, 0x121B171D, 0x3824342C,
            0x362D3927, 0x24362E3A, 0x2A3F2331, 0x70486858, 0x7E416553,
            0x6C5A724E, 0x62537F45, 0x486C5C74, 0x4665517F, 0x547E4662,
            0x5A774B69, 0xE090D0B0, 0xEE99DDBB, 0xFC82CAA6, 0xF28BC7AD,
            0xD8B4E49C, 0xD6BDE997, 0xC4A6FE8A, 0xCAAFF381, 0x90D8B8E8,
            0x9ED1B5E3, 0x8CCAA2FE, 0x82C3AFF5, 0xA8FC8CC4, 0xA6F581CF,
            0xB4EE96D2, 0xBAE79BD9, 0xDB3BBB7B, 0xD532B670, 0xC729A16D,
            0xC920AC66, 0xE31F8F57, 0xED16825C, 0xFF0D9541, 0xF104984A,
            0xAB73D323, 0xA57ADE28, 0xB761C935, 0xB968C43E, 0x9357E70F,
            0x9D5EEA04, 0x8F45FD19, 0x814CF012, 0x3BAB6BCB, 0x35A266C0,
            0x27B971DD, 0x29B07CD6, 0x038F5FE7, 0x0D8652EC, 0x1F9D45F1,
            0x119448FA, 0x4BE30393, 0x45EA0E98, 0x57F11985, 0x59F8148E,
            0x73C737BF, 0x7DCE3AB4, 0x6FD52DA9, 0x61DC20A2, 0xAD766DF6,
            0xA37F60FD, 0xB16477E0, 0xBF6D7AEB, 0x955259DA, 0x9B5B54D1,
            0x894043CC, 0x87494EC7, 0xDD3E05AE, 0xD33708A5, 0xC12C1FB8,
            0xCF2512B3, 0xE51A3182, 0xEB133C89, 0xF9082B94, 0xF701269F,
            0x4DE6BD46, 0x43EFB04D, 0x51F4A750, 0x5FFDAA5B, 0x75C2896A,
            0x7BCB8461, 0x69D0937C, 0x67D99E77, 0x3DAED51E, 0x33A7D815,
            0x21BCCF08, 0x2FB5C203, 0x058AE132, 0x0B83EC39, 0x1998FB24,
            0x1791F62F, 0x764DD68D, 0x7844DB86, 0x6A5FCC9B, 0x6456C190,
            0x4E69E2A1, 0x4060EFAA, 0x527BF8B7, 0x5C72F5BC, 0x0605BED5,
            0x080CB3DE, 0x1A17A4C3, 0x141EA9C8, 0x3E218AF9, 0x302887F2,
            0x223390EF, 0x2C3A9DE4, 0x96DD063D, 0x98D40B36, 0x8ACF1C2B,
            0x84C61120, 0xAEF93211, 0xA0F03F1A, 0xB2EB2807, 0xBCE2250C,
            0xE6956E65, 0xE89C636E, 0xFA877473, 0xF48E7978, 0xDEB15A49,
            0xD0B85742, 0xC2A3405F, 0xCCAA4D54, 0x41ECDAF7, 0x4FE5D7FC,
            0x5DFEC0E1, 0x53F7CDEA, 0x79C8EEDB, 0x77C1E3D0, 0x65DAF4CD,
            0x6BD3F9C6, 0x31A4B2AF, 0x3FADBFA4, 0x2DB6A8B9, 0x23BFA5B2,
            0x09808683, 0x07898B88, 0x15929C95, 0x1B9B919E, 0xA17C0A47,
            0xAF75074C, 0xBD6E1051, 0xB3671D5A, 0x99583E6B, 0x97513360,
            0x854A247D, 0x8B432976, 0xD134621F, 0xDF3D6F14, 0xCD267809,
            0xC32F7502, 0xE9105633, 0xE7195B38, 0xF5024C25, 0xFB0B412E,
            0x9AD7618C, 0x94DE6C87, 0x86C57B9A, 0x88CC7691, 0xA2F355A0,
            0xACFA58AB, 0xBEE14FB6, 0xB0E842BD, 0xEA9F09D4, 0xE49604DF,
            0xF68D13C2, 0xF8841EC9, 0xD2BB3DF8, 0xDCB230F3, 0xCEA927EE,
            0xC0A02AE5, 0x7A47B13C, 0x744EBC37, 0x6655AB2A, 0x685CA621,
            0x42638510, 0x4C6A881B, 0x5E719F06, 0x5078920D, 0x0A0FD964,
            0x0406D46F, 0x161DC372, 0x1814CE79, 0x322BED48, 0x3C22E043,
            0x2E39F75E, 0x2030FA55, 0xEC9AB701, 0xE293BA0A, 0xF088AD17,
            0xFE81A01C, 0xD4BE832D, 0xDAB78E26, 0xC8AC993B, 0xC6A59430,
            0x9CD2DF59, 0x92DBD252, 0x80C0C54F, 0x8EC9C844, 0xA4F6EB75,
            0xAAFFE67E, 0xB8E4F163, 0xB6EDFC68, 0x0C0A67B1, 0x02036ABA,
            0x10187DA7, 0x1E1170AC, 0x342E539D, 0x3A275E96, 0x283C498B,
            0x26354480, 0x7C420FE9, 0x724B02E2, 0x605015FF, 0x6E5918F4,
            0x44663BC5, 0x4A6F36CE, 0x587421D3, 0x567D2CD8, 0x37A10C7A,
            0x39A80171, 0x2BB3166C, 0x25BA1B67, 0x0F853856, 0x018C355D,
            0x13972240, 0x1D9E2F4B, 0x47E96422, 0x49E06929, 0x5BFB7E34,
            0x55F2733F, 0x7FCD500E, 0x71C45D05, 0x63DF4A18, 0x6DD64713,
            0xD731DCCA, 0xD938D1C1, 0xCB23C6DC, 0xC52ACBD7, 0xEF15E8E6,
            0xE11CE5ED, 0xF307F2F0, 0xFD0EFFFB, 0xA779B492, 0xA970B999,
            0xBB6BAE84, 0xB562A38F, 0x9F5D80BE, 0x91548DB5, 0x834F9AA8,
            0x8D4697A3,
    };

    // Lookup table for row 1 of the inverse mix column transform.
    private static final int[] TMI1 = {
            0x00000000, 0x0B0E090D, 0x161C121A, 0x1D121B17, 0x2C382434,
            0x27362D39, 0x3A24362E, 0x312A3F23, 0x58704868, 0x537E4165,
            0x4E6C5A72, 0x4562537F, 0x74486C5C, 0x7F466551, 0x62547E46,
            0x695A774B, 0xB0E090D0, 0xBBEE99DD, 0xA6FC82CA, 0xADF28BC7,
            0x9CD8B4E4, 0x97D6BDE9, 0x8AC4A6FE, 0x81CAAFF3, 0xE890D8B8,
            0xE39ED1B5, 0xFE8CCAA2, 0xF582C3AF, 0xC4A8FC8C, 0xCFA6F581,
            0xD2B4EE96, 0xD9BAE79B, 0x7BDB3BBB, 0x70D532B6, 0x6DC729A1,
            0x66C920AC, 0x57E31F8F, 0x5CED1682, 0x41FF0D95, 0x4AF10498,
            0x23AB73D3, 0x28A57ADE, 0x35B761C9, 0x3EB968C4, 0x0F9357E7,
            0x049D5EEA, 0x198F45FD, 0x12814CF0, 0xCB3BAB6B, 0xC035A266,
            0xDD27B971, 0xD629B07C, 0xE7038F5F, 0xEC0D8652, 0xF11F9D45,
            0xFA119448, 0x934BE303, 0x9845EA0E, 0x8557F119, 0x8E59F814,
            0xBF73C737, 0xB47DCE3A, 0xA96FD52D, 0xA261DC20, 0xF6AD766D,
            0xFDA37F60, 0xE0B16477, 0xEBBF6D7A, 0xDA955259, 0xD19B5B54,
            0xCC894043, 0xC787494E, 0xAEDD3E05, 0xA5D33708, 0xB8C12C1F,
            0xB3CF2512, 0x82E51A31, 0x89EB133C, 0x94F9082B, 0x9FF70126,
            0x464DE6BD, 0x4D43EFB0, 0x5051F4A7, 0x5B5FFDAA, 0x6A75C289,
            0x617BCB84, 0x7C69D093, 0x7767D99E, 0x1E3DAED5, 0x1533A7D8,
            0x0821BCCF, 0x032FB5C2, 0x32058AE1, 0x390B83EC, 0x241998FB,
            0x2F1791F6, 0x8D764DD6, 0x867844DB, 0x9B6A5FCC, 0x906456C1,
            0xA14E69E2, 0xAA4060EF, 0xB7527BF8, 0xBC5C72F5, 0xD50605BE,
            0xDE080CB3, 0xC31A17A4, 0xC8141EA9, 0xF93E218A, 0xF2302887,
            0xEF223390, 0xE42C3A9D, 0x3D96DD06, 0x3698D40B, 0x2B8ACF1C,
            0x2084C611, 0x11AEF932, 0x1AA0F03F, 0x07B2EB28, 0x0CBCE225,
            0x65E6956E, 0x6EE89C63, 0x73FA8774, 0x78F48E79, 0x49DEB15A,
            0x42D0B857, 0x5FC2A340, 0x54CCAA4D, 0xF741ECDA, 0xFC4FE5D7,
            0xE15DFEC0, 0xEA53F7CD, 0xDB79C8EE, 0xD077C1E3, 0xCD65DAF4,
            0xC66BD3F9, 0xAF31A4B2, 0xA43FADBF, 0xB92DB6A8, 0xB223BFA5,
            0x83098086, 0x8807898B, 0x9515929C, 0x9E1B9B91, 0x47A17C0A,
            0x4CAF7507, 0x51BD6E10, 0x5AB3671D, 0x6B99583E, 0x60975133,
            0x7D854A24, 0x768B4329, 0x1FD13462, 0x14DF3D6F, 0x09CD2678,
            0x02C32F75, 0x33E91056, 0x38E7195B, 0x25F5024C, 0x2EFB0B41,
            0x8C9AD761, 0x8794DE6C, 0x9A86C57B, 0x9188CC76, 0xA0A2F355,
            0xABACFA58, 0xB6BEE14F, 0xBDB0E842, 0xD4EA9F09, 0xDFE49604,
            0xC2F68D13, 0xC9F8841E, 0xF8D2BB3D, 0xF3DCB230, 0xEECEA927,
            0xE5C0A02A, 0x3C7A47B1, 0x37744EBC, 0x2A6655AB, 0x21685CA6,
            0x10426385, 0x1B4C6A88, 0x065E719F, 0x0D507892, 0x640A0FD9,
            0x6F0406D4, 0x72161DC3, 0x791814CE, 0x48322BED, 0x433C22E0,
            0x5E2E39F7, 0x552030FA, 0x01EC9AB7, 0x0AE293BA, 0x17F088AD,
            0x1CFE81A0, 0x2DD4BE83, 0x26DAB78E, 0x3BC8AC99, 0x30C6A594,
            0x599CD2DF, 0x5292DBD2, 0x4F80C0C5, 0x448EC9C8, 0x75A4F6EB,
            0x7EAAFFE6, 0x63B8E4F1, 0x68B6EDFC, 0xB10C0A67, 0xBA02036A,
            0xA710187D, 0xAC1E1170, 0x9D342E53, 0x963A275E, 0x8B283C49,
            0x80263544, 0xE97C420F, 0xE2724B02, 0xFF605015, 0xF46E5918,
            0xC544663B, 0xCE4A6F36, 0xD3587421, 0xD8567D2C, 0x7A37A10C,
            0x7139A801, 0x6C2BB316, 0x6725BA1B, 0x560F8538, 0x5D018C35,
            0x40139722, 0x4B1D9E2F, 0x2247E964, 0x2949E069, 0x345BFB7E,
            0x3F55F273, 0x0E7FCD50, 0x0571C45D, 0x1863DF4A, 0x136DD647,
            0xCAD731DC, 0xC1D938D1, 0xDCCB23C6, 0xD7C52ACB, 0xE6EF15E8,
            0xEDE11CE5, 0xF0F307F2, 0xFBFD0EFF, 0x92A779B4, 0x99A970B9,
            0x84BB6BAE, 0x8FB562A3, 0xBE9F5D80, 0xB591548D, 0xA8834F9A,
            0xA38D4697,
    };

    // Lookup table for row 2 of the inverse mix column transform.
    private static final int[] TMI2 = {
            0x00000000, 0x0D0B0E09, 0x1A161C12, 0x171D121B, 0x342C3824,
            0x3927362D, 0x2E3A2436, 0x23312A3F, 0x68587048, 0x65537E41,
            0x724E6C5A, 0x7F456253, 0x5C74486C, 0x517F4665, 0x4662547E,
            0x4B695A77, 0xD0B0E090, 0xDDBBEE99, 0xCAA6FC82, 0xC7ADF28B,
            0xE49CD8B4, 0xE997D6BD, 0xFE8AC4A6, 0xF381CAAF, 0xB8E890D8,
            0xB5E39ED1, 0xA2FE8CCA, 0xAFF582C3, 0x8CC4A8FC, 0x81CFA6F5,
            0x96D2B4EE, 0x9BD9BAE7, 0xBB7BDB3B, 0xB670D532, 0xA16DC729,
            0xAC66C920, 0x8F57E31F, 0x825CED16, 0x9541FF0D, 0x984AF104,
            0xD323AB73, 0xDE28A57A, 0xC935B761, 0xC43EB968, 0xE70F9357,
            0xEA049D5E, 0xFD198F45, 0xF012814C, 0x6BCB3BAB, 0x66C035A2,
            0x71DD27B9, 0x7CD629B0, 0x5FE7038F, 0x52EC0D86, 0x45F11F9D,
            0x48FA1194, 0x03934BE3, 0x0E9845EA, 0x198557F1, 0x148E59F8,
            0x37BF73C7, 0x3AB47DCE, 0x2DA96FD5, 0x20A261DC, 0x6DF6AD76,
            0x60FDA37F, 0x77E0B164, 0x7AEBBF6D, 0x59DA9552, 0x54D19B5B,
            0x43CC8940, 0x4EC78749, 0x05AEDD3E, 0x08A5D337, 0x1FB8C12C,
            0x12B3CF25, 0x3182E51A, 0x3C89EB13, 0x2B94F908, 0x269FF701,
            0xBD464DE6, 0xB04D43EF, 0xA75051F4, 0xAA5B5FFD, 0x896A75C2,
            0x84617BCB, 0x937C69D0, 0x9E7767D9, 0xD51E3DAE, 0xD81533A7,
            0xCF0821BC, 0xC2032FB5, 0xE132058A, 0xEC390B83, 0xFB241998,
            0xF62F1791, 0xD68D764D, 0xDB867844, 0xCC9B6A5F, 0xC1906456,
            0xE2A14E69, 0xEFAA4060, 0xF8B7527B, 0xF5BC5C72, 0xBED50605,
            0xB3DE080C, 0xA4C31A17, 0xA9C8141E, 0x8AF93E21, 0x87F23028,
            0x90EF2233, 0x9DE42C3A, 0x063D96DD, 0x0B3698D4, 0x1C2B8ACF,
            0x112084C6, 0x3211AEF9, 0x3F1AA0F0, 0x2807B2EB, 0x250CBCE2,
            0x6E65E695, 0x636EE89C, 0x7473FA87, 0x7978F48E, 0x5A49DEB1,
            0x5742D0B8, 0x405FC2A3, 0x4D54CCAA, 0xDAF741EC, 0xD7FC4FE5,
            0xC0E15DFE, 0xCDEA53F7, 0xEEDB79C8, 0xE3D077C1, 0xF4CD65DA,
            0xF9C66BD3, 0xB2AF31A4, 0xBFA43FAD, 0xA8B92DB6, 0xA5B223BF,
            0x86830980, 0x8B880789, 0x9C951592, 0x919E1B9B, 0x0A47A17C,
            0x074CAF75, 0x1051BD6E, 0x1D5AB367, 0x3E6B9958, 0x33609751,
            0x247D854A, 0x29768B43, 0x621FD134, 0x6F14DF3D, 0x7809CD26,
            0x7502C32F, 0x5633E910, 0x5B38E719, 0x4C25F502, 0x412EFB0B,
            0x618C9AD7, 0x6C8794DE, 0x7B9A86C5, 0x769188CC, 0x55A0A2F3,
            0x58ABACFA, 0x4FB6BEE1, 0x42BDB0E8, 0x09D4EA9F, 0x04DFE496,
            0x13C2F68D, 0x1EC9F884, 0x3DF8D2BB, 0x30F3DCB2, 0x27EECEA9,
            0x2AE5C0A0, 0xB13C7A47, 0xBC37744E, 0xAB2A6655, 0xA621685C,
            0x85104263, 0x881B4C6A, 0x9F065E71, 0x920D5078, 0xD9640A0F,
            0xD46F0406, 0xC372161D, 0xCE791814, 0xED48322B, 0xE0433C22,
            0xF75E2E39, 0xFA552030, 0xB701EC9A, 0xBA0AE293, 0xAD17F088,
            0xA01CFE81, 0x832DD4BE, 0x8E26DAB7, 0x993BC8AC, 0x9430C6A5,
            0xDF599CD2, 0xD25292DB, 0xC54F80C0, 0xC8448EC9, 0xEB75A4F6,
            0xE67EAAFF, 0xF163B8E4, 0xFC68B6ED, 0x67B10C0A, 0x6ABA0203,
            0x7DA71018, 0x70AC1E11, 0x539D342E, 0x5E963A27, 0x498B283C,
            0x44802635, 0x0FE97C42, 0x02E2724B, 0x15FF6050, 0x18F46E59,
            0x3BC54466, 0x36CE4A6F, 0x21D35874, 0x2CD8567D, 0x0C7A37A1,
            0x017139A8, 0x166C2BB3, 0x1B6725BA, 0x38560F85, 0x355D018C,
            0x22401397, 0x2F4B1D9E, 0x642247E9, 0x692949E0, 0x7E345BFB,
            0x733F55F2, 0x500E7FCD, 0x5D0571C4, 0x4A1863DF, 0x47136DD6,
            0xDCCAD731, 0xD1C1D938, 0xC6DCCB23, 0xCBD7C52A, 0xE8E6EF15,
            0xE5EDE11C, 0xF2F0F307, 0xFFFBFD0E, 0xB492A779, 0xB999A970,
            0xAE84BB6B, 0xA38FB562, 0x80BE9F5D, 0x8DB59154, 0x9AA8834F,
            0x97A38D46,
    };

    // Lookup table for row 3 of the inverse mix column transform.
    private static final int[] TMI3 = {
            0x00000000, 0x090D0B0E, 0x121A161C, 0x1B171D12, 0x24342C38,
            0x2D392736, 0x362E3A24, 0x3F23312A, 0x48685870, 0x4165537E,
            0x5A724E6C, 0x537F4562, 0x6C5C7448, 0x65517F46, 0x7E466254,
            0x774B695A, 0x90D0B0E0, 0x99DDBBEE, 0x82CAA6FC, 0x8BC7ADF2,
            0xB4E49CD8, 0xBDE997D6, 0xA6FE8AC4, 0xAFF381CA, 0xD8B8E890,
            0xD1B5E39E, 0xCAA2FE8C, 0xC3AFF582, 0xFC8CC4A8, 0xF581CFA6,
            0xEE96D2B4, 0xE79BD9BA, 0x3BBB7BDB, 0x32B670D5, 0x29A16DC7,
            0x20AC66C9, 0x1F8F57E3, 0x16825CED, 0x0D9541FF, 0x04984AF1,
            0x73D323AB, 0x7ADE28A5, 0x61C935B7, 0x68C43EB9, 0x57E70F93,
            0x5EEA049D, 0x45FD198F, 0x4CF01281, 0xAB6BCB3B, 0xA266C035,
            0xB971DD27, 0xB07CD629, 0x8F5FE703, 0x8652EC0D, 0x9D45F11F,
            0x9448FA11, 0xE303934B, 0xEA0E9845, 0xF1198557, 0xF8148E59,
            0xC737BF73, 0xCE3AB47D, 0xD52DA96F, 0xDC20A261, 0x766DF6AD,
            0x7F60FDA3, 0x6477E0B1, 0x6D7AEBBF, 0x5259DA95, 0x5B54D19B,
            0x4043CC89, 0x494EC787, 0x3E05AEDD, 0x3708A5D3, 0x2C1FB8C1,
            0x2512B3CF, 0x1A3182E5, 0x133C89EB, 0x082B94F9, 0x01269FF7,
            0xE6BD464D, 0xEFB04D43, 0xF4A75051, 0xFDAA5B5F, 0xC2896A75,
            0xCB84617B, 0xD0937C69, 0xD99E7767, 0xAED51E3D, 0xA7D81533,
            0xBCCF0821, 0xB5C2032F, 0x8AE13205, 0x83EC390B, 0x98FB2419,
            0x91F62F17, 0x4DD68D76, 0x44DB8678, 0x5FCC9B6A, 0x56C19064,
            0x69E2A14E, 0x60EFAA40, 0x7BF8B752, 0x72F5BC5C, 0x05BED506,
            0x0CB3DE08, 0x17A4C31A, 0x1EA9C814, 0x218AF93E, 0x2887F230,
            0x3390EF22, 0x3A9DE42C, 0xDD063D96, 0xD40B3698, 0xCF1C2B8A,
            0xC6112084, 0xF93211AE, 0xF03F1AA0, 0xEB2807B2, 0xE2250CBC,
            0x956E65E6, 0x9C636EE8, 0x877473FA, 0x8E7978F4, 0xB15A49DE,
            0xB85742D0, 0xA3405FC2, 0xAA4D54CC, 0xECDAF741, 0xE5D7FC4F,
            0xFEC0E15D, 0xF7CDEA53, 0xC8EEDB79, 0xC1E3D077, 0xDAF4CD65,
            0xD3F9C66B, 0xA4B2AF31, 0xADBFA43F, 0xB6A8B92D, 0xBFA5B223,
            0x80868309, 0x898B8807, 0x929C9515, 0x9B919E1B, 0x7C0A47A1,
            0x75074CAF, 0x6E1051BD, 0x671D5AB3, 0x583E6B99, 0x51336097,
            0x4A247D85, 0x4329768B, 0x34621FD1, 0x3D6F14DF, 0x267809CD,
            0x2F7502C3, 0x105633E9, 0x195B38E7, 0x024C25F5, 0x0B412EFB,
            0xD7618C9A, 0xDE6C8794, 0xC57B9A86, 0xCC769188, 0xF355A0A2,
            0xFA58ABAC, 0xE14FB6BE, 0xE842BDB0, 0x9F09D4EA, 0x9604DFE4,
            0x8D13C2F6, 0x841EC9F8, 0xBB3DF8D2, 0xB230F3DC, 0xA927EECE,
            0xA02AE5C0, 0x47B13C7A, 0x4EBC3774, 0x55AB2A66, 0x5CA62168,
            0x63851042, 0x6A881B4C, 0x719F065E, 0x78920D50, 0x0FD9640A,
            0x06D46F04, 0x1DC37216, 0x14CE7918, 0x2BED4832, 0x22E0433C,
            0x39F75E2E, 0x30FA5520, 0x9AB701EC, 0x93BA0AE2, 0x88AD17F0,
            0x81A01CFE, 0xBE832DD4, 0xB78E26DA, 0xAC993BC8, 0xA59430C6,
            0xD2DF599C, 0xDBD25292, 0xC0C54F80, 0xC9C8448E, 0xF6EB75A4,
            0xFFE67EAA, 0xE4F163B8, 0xEDFC68B6, 0x0A67B10C, 0x036ABA02,
            0x187DA710, 0x1170AC1E, 0x2E539D34, 0x275E963A, 0x3C498B28,
            0x35448026, 0x420FE97C, 0x4B02E272, 0x5015FF60, 0x5918F46E,
            0x663BC544, 0x6F36CE4A, 0x7421D358, 0x7D2CD856, 0xA10C7A37,
            0xA8017139, 0xB3166C2B, 0xBA1B6725, 0x8538560F, 0x8C355D01,
            0x97224013, 0x9E2F4B1D, 0xE9642247, 0xE0692949, 0xFB7E345B,
            0xF2733F55, 0xCD500E7F, 0xC45D0571, 0xDF4A1863, 0xD647136D,
            0x31DCCAD7, 0x38D1C1D9, 0x23C6DCCB, 0x2ACBD7C5, 0x15E8E6EF,
            0x1CE5EDE1, 0x07F2F0F3, 0x0EFFFBFD, 0x79B492A7, 0x70B999A9,
            0x6BAE84BB, 0x62A38FB5, 0x5D80BE9F, 0x548DB591, 0x4F9AA883,
            0x4697A38D,
    };

    /**
     * Return the block cipher size.
     *
     * @return the AES block cipher size (in bytes).
     */
    int getBlockSize() {
        return AESConstants.AES_BLOCK_SIZE;
    }

    /**
     * Verifies if the length argument is a valid key size or not.
     *
     * @param len the size of the key (in bytes) to be validated.
     *
     * @return {@code true} if the size of the key is valid else {@code false}.
     */
    static boolean isKeySizeValid(int len) {
        for (int kLength : AESConstants.AES_KEYSIZES) {
            if (len == kLength) {
                return true;
            }
        }
        return false;
    }

    /**
     * Check algorithm and initalize round keys for decryption and encryption.
     *
     * @param decrypting [in] indicates if encrypting ({@code false}) or
     *      decrypting ({@code true}).
     * @param algorithm [in] the case insentive string name for the AES cipher.
     * @param key [in] the symmetric key byte array for encryption/decryption.
     *
     * @throws InvalidKeyException if an incorrect algorithm is given or if
     * an invalid key size is provided.
     */
    void init(boolean decrypting, String algorithm, byte[] key)
            throws InvalidKeyException {

        if (!algorithm.equalsIgnoreCase("AES")
                && !algorithm.equalsIgnoreCase("Rijndael")) {
            throw new InvalidKeyException ("Invalid algorithm name.");
        }
        if (key.length == AESConstants.AES_KEYSIZES[0]) {
            rounds = AES_128_ROUNDS;
        } else if (key.length == AESConstants.AES_KEYSIZES[1]) {
            rounds = AES_192_ROUNDS;
        } else if (key.length == AESConstants.AES_KEYSIZES[2]) {
            rounds = AES_256_ROUNDS;
        } else {
            throw new InvalidKeyException("Invalid key length (" + key.length
                    + ").");
        }

        if (!MessageDigest.isEqual(prevKey, key)) {
            if (sessionKe != null) {
                Arrays.fill(sessionKe, 0);
            }
            sessionKe = genRoundKeys(key, rounds);
            if (sessionKd != null) {
                Arrays.fill(sessionKd, 0);
                sessionKd = null;
            }
            if (prevKey != null) {
                Arrays.fill(prevKey, (byte) 0);
            }
            prevKey = key.clone();
        }

        if (decrypting && (sessionKd == null)) {
            sessionKd = genInvRoundKeys(sessionKe, rounds);
        }
    }

    /**
     * Generate the cipher's round keys as outlined in section 5.2 of the spec.
     *
     * @param key [in] the symmetric key byte array.
     * @param rounds [in] the number of rounds for generating the round keys.
     *
     * @return the cipher round keys.
     */
    private static int[] genRoundKeys(byte[] key, int rounds) {
        int wLen = WB * (rounds + 1);
        int[] w = new int[wLen];
        int nk = key.length / BW;

        for (int i = 0, j = 0; i < nk; i++, j += BW) {
            w[i] = ((key[j] & 0xFF) << 24) | ((key[j + 1] & 0xFF) << 16)
                    | ((key[j + 2] & 0xFF) << 8) | (key[j + 3] & 0xFF);
        }
        for (int i = nk; i < wLen; i++) {
            int tmp = w[i - 1];
            if (i % nk == 0) {
                int rW = (tmp << 8) & 0xFFFFFF00 | (tmp >>> 24);
                tmp = subWord(rW) ^ RCON[(i / nk) - 1];
            } else if ((nk > 6) && ((i % nk) == WB)) {
                tmp = subWord(tmp);
            }
            w[i] = w[i - nk] ^ tmp;
        }

        return w;
    }

    /**
     * Generate the inverse cipher round keys.
     *
     * @param w [in] the targeted word for substitution.
     * @param rounds [in] the number of rounds for generating the round keys.
     *
     * @return the inverse cipher round keys.
     */
    private static int[] genInvRoundKeys(int[] w, int rounds) {
        int[] dw = new int[w.length];

        // Intrinsics requires the inverse key expansion to be reverse order
        // except for the first and last round key as the first two round keys
        // are without a mix column transform.
        for (int i = 1; i < rounds; i++) {
            int widx = i * WB;
            int idx = w.length - widx;

            dw[idx] = TMI0[w[widx] >>> 24] ^ TMI1[(w[widx] >> 16) & 0xFF]
                    ^ TMI2[(w[widx] >> 8) & 0xFF] ^ TMI3[w[widx] & 0xFF];
            dw[idx + 1] = TMI0[w[widx + 1] >>> 24]
                    ^ TMI1[(w[widx + 1] >> 16) & 0xFF]
                    ^ TMI2[(w[widx + 1] >> 8) & 0xFF]
                    ^ TMI3[w[widx + 1] & 0xFF];
            dw[idx + 2] = TMI0[w[widx + 2] >>> 24]
                    ^ TMI1[(w[widx + 2] >> 16) & 0xFF]
                    ^ TMI2[(w[widx + 2] >> 8) & 0xFF]
                    ^ TMI3[w[widx + 2] & 0xFF];
            dw[idx + 3] = TMI0[w[widx + 3] >>> 24]
                    ^ TMI1[(w[widx + 3] >> 16) & 0xFF]
                    ^ TMI2[(w[widx + 3] >> 8) & 0xFF]
                    ^ TMI3[w[widx + 3] & 0xFF];
        }
        System.arraycopy(w, w.length - WB, dw, WB, WB);
        System.arraycopy(w, 0, dw, 0, WB);

        return dw;
    }

    /**
     * Substitute the word as a step of key expansion.
     *
     * @param word [in] the targeted word for substitution.
     *
     * @return the substituted word.
     */
    private static int subWord(int word) {
        byte b0 = (byte) (word >> 24);
        byte b1 = (byte) (word >> 16);
        byte b2 = (byte) (word >> 8);

        return ((SBOX[(b0 & 0xF0) >> 4][b0 & 0x0F] & 0xFF) << 24)
                | ((SBOX[(b1 & 0xF0) >> 4][b1 & 0x0F] & 0xFF) << 16)
                | ((SBOX[(b2 & 0xF0) >> 4][b2 & 0x0F] & 0xFF) << 8)
                | (SBOX[(word & 0xF0) >> 4][word & 0x0F] & 0xFF);
    }

    /**
     * Method for one block of encryption.
     *
     * @param p [in] the plaintext to be encrypted.
     * @param po [in] the plaintext offset in the array of bytes.
     * @param c [out] the ciphertext output.
     * @param co [in] the ciphertext offset in the array of bytes.
     */
    @IntrinsicCandidate
    private void implEncryptBlock(byte[] p, int po, byte[] c, int co) {
        int[] K = sessionKe;
        int ti0, ti1, ti2, ti3;
        int a0, a1, a2, a3;
        int w = K.length - WB;

        a0 = ((p[po] & 0xFF) << 24) ^ ((p[po + 1] & 0xFF) << 16)
                ^ ((p[po + 2] & 0xFF) << 8) ^ (p[po + 3] & 0xFF) ^ K[0];
        a1 = ((p[po + 4] & 0xFF) << 24) ^ ((p[po + 5] & 0xFF) << 16)
                ^ ((p[po + 6] & 0xFF) << 8) ^ (p[po + 7] & 0xFF) ^ K[1];
        a2 = ((p[po + 8] & 0xFF) << 24) ^ ((p[po + 9] & 0xFF) << 16)
                ^ ((p[po + 10] & 0xFF) << 8) ^ (p[po + 11] & 0xFF) ^ K[2];
        a3 = ((p[po + 12] & 0xFF) << 24) ^ ((p[po + 13] & 0xFF) << 16)
                ^ ((p[po + 14] & 0xFF) << 8) ^ (p[po + 15] & 0xFF) ^ K[3];

        ti0 = T0[a0 >>> 24] ^ T1[(a1 >> 16) & 0xFF]
                ^ T2[(a2 >> 8) & 0xFF] ^ T3[a3 & 0xFF] ^ K[4];
        ti1 = T0[a1 >>> 24] ^ T1[(a2 >> 16) & 0xFF]
                ^ T2[(a3 >> 8) & 0xFF] ^ T3[a0 & 0xFF] ^ K[5];
        ti2 = T0[a2 >>> 24] ^ T1[(a3 >> 16) & 0xFF]
                ^ T2[(a0 >> 8) & 0xFF] ^ T3[a1 & 0xFF] ^ K[6];
        ti3 = T0[a3 >>> 24] ^ T1[(a0 >> 16) & 0xFF]
                ^ T2[(a1 >> 8) & 0xFF] ^ T3[a2 & 0xFF] ^ K[7];

        a0 = T0[ti0 >>> 24] ^ T1[(ti1 >> 16) & 0xFF]
                ^ T2[(ti2 >> 8) & 0xFF] ^ T3[ti3 & 0xFF] ^ K[8];
        a1 = T0[ti1 >>> 24] ^ T1[(ti2 >> 16) & 0xFF]
                ^ T2[(ti3 >> 8) & 0xFF] ^ T3[ti0 & 0xFF] ^ K[9];
        a2 = T0[ti2 >>> 24] ^ T1[(ti3 >> 16) & 0xFF]
                ^ T2[(ti0 >> 8) & 0xFF] ^ T3[ti1 & 0xFF] ^ K[10];
        a3 = T0[ti3 >>> 24] ^ T1[(ti0 >> 16) & 0xFF]
                ^ T2[(ti1 >> 8) & 0xFF] ^ T3[ti2 & 0xFF] ^ K[11];

        ti0 = T0[a0 >>> 24] ^ T1[(a1 >> 16) & 0xFF]
                ^ T2[(a2 >> 8) & 0xFF] ^ T3[a3 & 0xFF] ^ K[12];
        ti1 = T0[a1 >>> 24] ^ T1[(a2 >> 16) & 0xFF]
                ^ T2[(a3 >> 8) & 0xFF] ^ T3[a0 & 0xFF] ^ K[13];
        ti2 = T0[a2 >>> 24] ^ T1[(a3 >> 16) & 0xFF]
                ^ T2[(a0 >> 8) & 0xFF] ^ T3[a1 & 0xFF] ^ K[14];
        ti3 = T0[a3 >>> 24] ^ T1[(a0 >> 16) & 0xFF]
                ^ T2[(a1 >> 8) & 0xFF] ^ T3[a2 & 0xFF] ^ K[15];

        a0 = T0[ti0 >>> 24] ^ T1[(ti1 >> 16) & 0xFF]
                ^ T2[(ti2 >> 8) & 0xFF] ^ T3[ti3 & 0xFF] ^ K[16];
        a1 = T0[ti1 >>> 24] ^ T1[(ti2 >> 16) & 0xFF]
                ^ T2[(ti3 >> 8) & 0xFF] ^ T3[ti0 & 0xFF] ^ K[17];
        a2 = T0[ti2 >>> 24] ^ T1[(ti3 >> 16) & 0xFF]
                ^ T2[(ti0 >> 8) & 0xFF] ^ T3[ti1 & 0xFF] ^ K[18];
        a3 = T0[ti3 >>> 24] ^ T1[(ti0 >> 16) & 0xFF]
                ^ T2[(ti1 >> 8) & 0xFF] ^ T3[ti2 & 0xFF] ^ K[19];

        ti0 = T0[a0 >>> 24] ^ T1[(a1 >> 16) & 0xFF]
                ^ T2[(a2 >> 8) & 0xFF] ^ T3[a3 & 0xFF] ^ K[20];
        ti1 = T0[a1 >>> 24] ^ T1[(a2 >> 16) & 0xFF]
                ^ T2[(a3 >> 8) & 0xFF] ^ T3[a0 & 0xFF] ^ K[21];
        ti2 = T0[a2 >>> 24] ^ T1[(a3 >> 16) & 0xFF]
                ^ T2[(a0 >> 8) & 0xFF] ^ T3[a1 & 0xFF] ^ K[22];
        ti3 = T0[a3 >>> 24] ^ T1[(a0 >> 16) & 0xFF]
                ^ T2[(a1 >> 8) & 0xFF] ^ T3[a2 & 0xFF] ^ K[23];

        a0 = T0[ti0 >>> 24] ^ T1[(ti1 >> 16) & 0xFF]
                ^ T2[(ti2 >> 8) & 0xFF] ^ T3[ti3 & 0xFF] ^ K[24];
        a1 = T0[ti1 >>> 24] ^ T1[(ti2 >> 16) & 0xFF]
                ^ T2[(ti3 >> 8) & 0xFF] ^ T3[ti0 & 0xFF] ^ K[25];
        a2 = T0[ti2 >>> 24] ^ T1[(ti3 >> 16) & 0xFF]
                ^ T2[(ti0 >> 8) & 0xFF] ^ T3[ti1 & 0xFF] ^ K[26];
        a3 = T0[ti3 >>> 24] ^ T1[(ti0 >> 16) & 0xFF]
                ^ T2[(ti1 >> 8) & 0xFF] ^ T3[ti2 & 0xFF] ^ K[27];

        ti0 = T0[a0 >>> 24] ^ T1[(a1 >> 16) & 0xFF]
                ^ T2[(a2 >> 8) & 0xFF] ^ T3[a3 & 0xFF] ^ K[28];
        ti1 = T0[a1 >>> 24] ^ T1[(a2 >> 16) & 0xFF]
                ^ T2[(a3 >> 8) & 0xFF] ^ T3[a0 & 0xFF] ^ K[29];
        ti2 = T0[a2 >>> 24] ^ T1[(a3 >> 16) & 0xFF]
                ^ T2[(a0 >> 8) & 0xFF] ^ T3[a1 & 0xFF] ^ K[30];
        ti3 = T0[a3 >>> 24] ^ T1[(a0 >> 16) & 0xFF]
                ^ T2[(a1 >> 8) & 0xFF] ^ T3[a2 & 0xFF] ^ K[31];

        a0 = T0[ti0 >>> 24] ^ T1[(ti1 >> 16) & 0xFF]
                ^ T2[(ti2 >> 8) & 0xFF] ^ T3[ti3 & 0xFF] ^ K[32];
        a1 = T0[ti1 >>> 24] ^ T1[(ti2 >> 16) & 0xFF]
                ^ T2[(ti3 >> 8) & 0xFF] ^ T3[ti0 & 0xFF] ^ K[33];
        a2 = T0[ti2 >>> 24] ^ T1[(ti3 >> 16) & 0xFF]
                ^ T2[(ti0 >> 8) & 0xFF] ^ T3[ti1 & 0xFF] ^ K[34];
        a3 = T0[ti3 >>> 24] ^ T1[(ti0 >> 16) & 0xFF]
                ^ T2[(ti1 >> 8) & 0xFF] ^ T3[ti2 & 0xFF] ^ K[35];

        ti0 = T0[a0 >>> 24] ^ T1[(a1 >> 16) & 0xFF]
                ^ T2[(a2 >> 8) & 0xFF] ^ T3[a3 & 0xFF] ^ K[36];
        ti1 = T0[a1 >>> 24] ^ T1[(a2 >> 16) & 0xFF]
                ^ T2[(a3 >> 8) & 0xFF] ^ T3[a0 & 0xFF] ^ K[37];
        ti2 = T0[a2 >>> 24] ^ T1[(a3 >> 16) & 0xFF]
                ^ T2[(a0 >> 8) & 0xFF] ^ T3[a1 & 0xFF] ^ K[38];
        ti3 = T0[a3 >>> 24] ^ T1[(a0 >> 16) & 0xFF]
                ^ T2[(a1 >> 8) & 0xFF] ^ T3[a2 & 0xFF] ^ K[39];

        if (rounds > AES_128_ROUNDS) {
            a0 = T0[ti0 >>> 24] ^ T1[(ti1 >> 16) & 0xFF]
                    ^ T2[(ti2 >> 8) & 0xFF] ^ T3[ti3 & 0xFF] ^ K[40];
            a1 = T0[ti1 >>> 24] ^ T1[(ti2 >> 16) & 0xFF]
                    ^ T2[(ti3 >> 8) & 0xFF] ^ T3[ti0 & 0xFF] ^ K[41];
            a2 = T0[ti2 >>> 24] ^ T1[(ti3 >> 16) & 0xFF]
                    ^ T2[(ti0 >> 8) & 0xFF] ^ T3[ti1 & 0xFF] ^ K[42];
            a3 = T0[ti3 >>> 24] ^ T1[(ti0 >> 16) & 0xFF]
                    ^ T2[(ti1 >> 8) & 0xFF] ^ T3[ti2 & 0xFF] ^ K[43];

            ti0 = T0[a0 >>> 24] ^ T1[(a1 >> 16) & 0xFF]
                    ^ T2[(a2 >> 8) & 0xFF] ^ T3[a3 & 0xFF] ^ K[44];
            ti1 = T0[a1 >>> 24] ^ T1[(a2 >> 16) & 0xFF]
                    ^ T2[(a3 >> 8) & 0xFF] ^ T3[a0 & 0xFF] ^ K[45];
            ti2 = T0[a2 >>> 24] ^ T1[(a3 >> 16) & 0xFF]
                    ^ T2[(a0 >> 8) & 0xFF] ^ T3[a1 & 0xFF] ^ K[46];
            ti3 = T0[a3 >>> 24] ^ T1[(a0 >> 16) & 0xFF]
                    ^ T2[(a1 >> 8) & 0xFF] ^ T3[a2 & 0xFF] ^ K[47];
        }
        if (rounds > AES_192_ROUNDS) {
            a0 = T0[ti0 >>> 24] ^ T1[(ti1 >> 16) & 0xFF]
                    ^ T2[(ti2 >> 8) & 0xFF] ^ T3[ti3 & 0xFF] ^ K[48];
            a1 = T0[ti1 >>> 24] ^ T1[(ti2 >> 16) & 0xFF]
                    ^ T2[(ti3 >> 8) & 0xFF] ^ T3[ti0 & 0xFF] ^ K[49];
            a2 = T0[ti2 >>> 24] ^ T1[(ti3 >> 16) & 0xFF]
                    ^ T2[(ti0 >> 8) & 0xFF] ^ T3[ti1 & 0xFF] ^ K[50];
            a3 = T0[ti3 >>> 24] ^ T1[(ti0 >> 16) & 0xFF]
                    ^ T2[(ti1 >> 8) & 0xFF] ^ T3[ti2 & 0xFF] ^ K[51];

            ti0 = T0[a0 >>> 24] ^ T1[(a1 >> 16) & 0xFF]
                    ^ T2[(a2 >> 8) & 0xFF] ^ T3[a3 & 0xFF] ^ K[52];
            ti1 = T0[a1 >>> 24] ^ T1[(a2 >> 16) & 0xFF]
                    ^ T2[(a3 >> 8) & 0xFF] ^ T3[a0 & 0xFF] ^ K[53];
            ti2 = T0[a2 >>> 24] ^ T1[(a3 >> 16) & 0xFF]
                    ^ T2[(a0 >> 8) & 0xFF] ^ T3[a1 & 0xFF] ^ K[54];
            ti3 = T0[a3 >>> 24] ^ T1[(a0 >> 16) & 0xFF]
                    ^ T2[(a1 >> 8) & 0xFF] ^ T3[a2 & 0xFF] ^ K[55];
        }

        a0 = T2[ti0 >>> 24] & 0xFF000000
                ^ T3[(ti1 >> 16) & 0xFF] & 0xFF0000
                ^ T0[(ti2 >> 8) & 0xFF] & 0xFF00
                ^ T1[ti3 & 0xFF] & 0xFF ^ K[w];
        a1 = T2[ti1 >>> 24] & 0xFF000000
                ^ T3[(ti2 >> 16) & 0xFF] & 0xFF0000
                ^ T0[(ti3 >> 8) & 0xFF] & 0xFF00
                ^ T1[ti0 & 0xFF] & 0xFF ^ K[w + 1];
        a2 = T2[ti2 >>> 24] & 0xFF000000
                ^ T3[(ti3 >> 16) & 0xFF] & 0xFF0000
                ^ T0[(ti0 >> 8) & 0xFF] & 0xFF00
                ^ T1[ti1 & 0xFF] & 0xFF ^ K[w + 2];
        a3 = T2[ti3 >>> 24] & 0xFF000000
                ^ T3[(ti0 >> 16) & 0xFF] & 0xFF0000
                ^ T0[(ti1 >> 8) & 0xFF] & 0xFF00
                ^ T1[ti2 & 0xFF] & 0xFF ^ K[w + 3];

        c[co] = (byte) (a0 >>> 24);
        c[co + 1] = (byte) ((a0 >> 16) & 0xFF);
        c[co + 2] = (byte) ((a0 >> 8) & 0xFF);
        c[co + 3] = (byte) (a0 & 0xFF);
        c[co + 4] = (byte) (a1 >>> 24);
        c[co + 5] = (byte) ((a1 >> 16) & 0xFF);
        c[co + 6] = (byte) ((a1 >> 8) & 0xFF);
        c[co + 7] = (byte) (a1 & 0xFF);
        c[co + 8] = (byte) (a2 >>> 24);
        c[co + 9] = (byte) ((a2 >> 16) & 0xFF);
        c[co + 10] = (byte) ((a2 >> 8) & 0xFF);
        c[co + 11] = (byte) (a2 & 0xFF);
        c[co + 12] = (byte) (a3 >> 24);
        c[co + 13] = (byte) ((a3 >> 16) & 0xFF);
        c[co + 14] = (byte) ((a3 >> 8) & 0xFF);
        c[co + 15] = (byte) (a3 & 0xFF);
    }

    /**
     * Method for one block of decryption.
     *
     * @param c [in] the ciphertext to be decrypted.
     * @param co [in] the ciphertext offset in the array of bytes.
     * @param p [out] the plaintext output.
     * @param po [in] the plaintext offset in the array of bytes.
     */
    @IntrinsicCandidate
    private void implDecryptBlock(byte[] c, int co, byte[] p, int po) {
        int[] K = sessionKd;
        int ti0, ti1, ti2, ti3;
        int a0, a1, a2, a3;

        ti0 = ((c[co] & 0xFF) << 24) ^ ((c[co + 1] & 0xFF) << 16)
                ^ ((c[co + 2] & 0xFF) << 8) ^ (c[co + 3] & 0xFF) ^ K[4];
        ti1 = ((c[co + 4] & 0xFF) << 24) ^ ((c[co + 5] & 0xFF) << 16)
                ^ ((c[co + 6] & 0xFF) << 8) ^ (c[co + 7] & 0xFF) ^ K[5];
        ti2 = ((c[co + 8] & 0xFF) << 24) ^ ((c[co + 9] & 0xFF) << 16)
                ^ ((c[co + 10] & 0xFF) << 8) ^ (c[co + 11] & 0xFF) ^ K[6];
        ti3 = ((c[co + 12] & 0xFF) << 24) ^ ((c[co + 13] & 0xFF) << 16)
                ^ ((c[co + 14] & 0xFF) << 8) ^ (c[co + 15] & 0xFF) ^ K[7];

        a0 = TI0[ti0 >>> 24] ^ TI1[(ti3 >> 16) & 0xFF]
                ^ TI2[(ti2 >> 8) & 0xFF] ^ TI3[ti1 & 0xFF] ^ K[8];
        a1 = TI0[ti1 >>> 24] ^ TI1[(ti0 >> 16) & 0xFF]
                ^ TI2[(ti3 >> 8) & 0xFF] ^ TI3[ti2 & 0xFF] ^ K[9];
        a2 = TI0[ti2 >>> 24] ^ TI1[(ti1 >> 16) & 0xFF]
                ^ TI2[(ti0 >> 8) & 0xFF] ^ TI3[ti3 & 0xFF] ^ K[10];
        a3 = TI0[ti3 >>> 24] ^ TI1[(ti2 >> 16) & 0xFF]
                ^ TI2[(ti1 >> 8) & 0xFF] ^ TI3[ti0 & 0xFF] ^ K[11];

        ti0 = TI0[a0 >>> 24] ^ TI1[(a3 >> 16) & 0xFF]
                ^ TI2[(a2 >> 8) & 0xFF] ^ TI3[a1 & 0xFF] ^ K[12];
        ti1 = TI0[a1 >>> 24] ^ TI1[(a0 >> 16) & 0xFF]
                ^ TI2[(a3 >> 8) & 0xFF] ^ TI3[a2 & 0xFF] ^ K[13];
        ti2 = TI0[a2 >>> 24] ^ TI1[(a1 >> 16) & 0xFF]
                ^ TI2[(a0 >> 8) & 0xFF] ^ TI3[a3 & 0xFF] ^ K[14];
        ti3 = TI0[a3 >>> 24] ^ TI1[(a2 >> 16) & 0xFF]
                ^ TI2[(a1 >> 8) & 0xFF] ^ TI3[a0 & 0xFF] ^ K[15];

        a0 = TI0[ti0 >>> 24] ^ TI1[(ti3 >> 16) & 0xFF]
                ^ TI2[(ti2 >> 8) & 0xFF] ^ TI3[ti1 & 0xFF] ^ K[16];
        a1 = TI0[ti1 >>> 24] ^ TI1[(ti0 >> 16) & 0xFF]
                ^ TI2[(ti3 >> 8) & 0xFF] ^ TI3[ti2 & 0xFF] ^ K[17];
        a2 = TI0[ti2 >>> 24] ^ TI1[(ti1 >> 16) & 0xFF]
                ^ TI2[(ti0 >> 8) & 0xFF] ^ TI3[ti3 & 0xFF] ^ K[18];
        a3 = TI0[ti3 >>> 24] ^ TI1[(ti2 >> 16) & 0xFF]
                ^ TI2[(ti1 >> 8) & 0xFF] ^ TI3[ti0 & 0xFF] ^ K[19];

        ti0 = TI0[a0 >>> 24] ^ TI1[(a3 >> 16) & 0xFF]
                ^ TI2[(a2 >> 8) & 0xFF] ^ TI3[a1 & 0xFF] ^ K[20];
        ti1 = TI0[a1 >>> 24] ^ TI1[(a0 >> 16) & 0xFF]
                ^ TI2[(a3 >> 8) & 0xFF] ^ TI3[a2 & 0xFF] ^ K[21];
        ti2 = TI0[a2 >>> 24] ^ TI1[(a1 >> 16) & 0xFF]
                ^ TI2[(a0 >> 8) & 0xFF] ^ TI3[a3 & 0xFF] ^ K[22];
        ti3 = TI0[a3 >>> 24] ^ TI1[(a2 >> 16) & 0xFF]
                ^ TI2[(a1 >> 8) & 0xFF] ^ TI3[a0 & 0xFF] ^ K[23];

        a0 = TI0[ti0 >>> 24] ^ TI1[(ti3 >> 16) & 0xFF]
                ^ TI2[(ti2 >> 8) & 0xFF] ^ TI3[ti1 & 0xFF] ^ K[24];
        a1 = TI0[ti1 >>> 24] ^ TI1[(ti0 >> 16) & 0xFF]
                ^ TI2[(ti3 >> 8) & 0xFF] ^ TI3[ti2 & 0xFF] ^ K[25];
        a2 = TI0[ti2 >>> 24] ^ TI1[(ti1 >> 16) & 0xFF]
                ^ TI2[(ti0 >> 8) & 0xFF] ^ TI3[ti3 & 0xFF] ^ K[26];
        a3 = TI0[ti3 >>> 24] ^ TI1[(ti2 >> 16) & 0xFF]
                ^ TI2[(ti1 >> 8) & 0xFF] ^ TI3[ti0 & 0xFF] ^ K[27];

        ti0 = TI0[a0 >>> 24] ^ TI1[(a3 >> 16) & 0xFF]
                ^ TI2[(a2 >> 8) & 0xFF] ^ TI3[a1 & 0xFF] ^ K[28];
        ti1 = TI0[a1 >>> 24] ^ TI1[(a0 >> 16) & 0xFF]
                ^ TI2[(a3 >> 8) & 0xFF] ^ TI3[a2 & 0xFF] ^ K[29];
        ti2 = TI0[a2 >>> 24] ^ TI1[(a1 >> 16) & 0xFF]
                ^ TI2[(a0 >> 8) & 0xFF] ^ TI3[a3 & 0xFF] ^ K[30];
        ti3 = TI0[a3 >>> 24] ^ TI1[(a2 >> 16) & 0xFF]
                ^ TI2[(a1 >> 8) & 0xFF] ^ TI3[a0 & 0xFF] ^ K[31];

        a0 = TI0[ti0 >>> 24] ^ TI1[(ti3 >> 16) & 0xFF]
                ^ TI2[(ti2 >> 8) & 0xFF] ^ TI3[ti1 & 0xFF] ^ K[32];
        a1 = TI0[ti1 >>> 24] ^ TI1[(ti0 >> 16) & 0xFF]
                ^ TI2[(ti3 >> 8) & 0xFF] ^ TI3[ti2 & 0xFF] ^ K[33];
        a2 = TI0[ti2 >>> 24] ^ TI1[(ti1 >> 16) & 0xFF]
                ^ TI2[(ti0 >> 8) & 0xFF] ^ TI3[ti3 & 0xFF] ^ K[34];
        a3 = TI0[ti3 >>> 24] ^ TI1[(ti2 >> 16) & 0xFF]
                ^ TI2[(ti1 >> 8) & 0xFF] ^ TI3[ti0 & 0xFF] ^ K[35];

        ti0 = TI0[a0 >>> 24] ^ TI1[(a3 >> 16) & 0xFF]
                ^ TI2[(a2 >> 8) & 0xFF] ^ TI3[a1 & 0xFF] ^ K[36];
        ti1 = TI0[a1 >>> 24] ^ TI1[(a0 >> 16) & 0xFF]
                ^ TI2[(a3 >> 8) & 0xFF] ^ TI3[a2 & 0xFF] ^ K[37];
        ti2 = TI0[a2 >>> 24] ^ TI1[(a1 >> 16) & 0xFF]
                ^ TI2[(a0 >> 8) & 0xFF] ^ TI3[a3 & 0xFF] ^ K[38];
        ti3 = TI0[a3 >>> 24] ^ TI1[(a2 >> 16) & 0xFF]
                ^ TI2[(a1 >> 8) & 0xFF] ^ TI3[a0 & 0xFF] ^ K[39];

        a0 = TI0[ti0 >>> 24] ^ TI1[(ti3 >> 16) & 0xFF]
                ^ TI2[(ti2 >> 8) & 0xFF] ^ TI3[ti1 & 0xFF] ^ K[40];
        a1 = TI0[ti1 >>> 24] ^ TI1[(ti0 >> 16) & 0xFF]
                ^ TI2[(ti3 >> 8) & 0xFF] ^ TI3[ti2 & 0xFF] ^ K[41];
        a2 = TI0[ti2 >>> 24] ^ TI1[(ti1 >> 16) & 0xFF]
                ^ TI2[(ti0 >> 8) & 0xFF] ^ TI3[ti3 & 0xFF] ^ K[42];
        a3 = TI0[ti3 >>> 24] ^ TI1[(ti2 >> 16) & 0xFF]
                ^ TI2[(ti1 >> 8) & 0xFF] ^ TI3[ti0 & 0xFF] ^ K[43];

        if (rounds > AES_128_ROUNDS) {
            ti0 = TI0[a0 >>> 24] ^ TI1[(a3 >> 16) & 0xFF]
                    ^ TI2[(a2 >> 8) & 0xFF] ^ TI3[a1 & 0xFF] ^ K[44];
            ti1 = TI0[a1 >>> 24] ^ TI1[(a0 >> 16) & 0xFF]
                    ^ TI2[(a3 >> 8) & 0xFF] ^ TI3[a2 & 0xFF] ^ K[45];
            ti2 = TI0[a2 >>> 24] ^ TI1[(a1 >> 16) & 0xFF]
                    ^ TI2[(a0 >> 8) & 0xFF] ^ TI3[a3 & 0xFF] ^ K[46];
            ti3 = TI0[a3 >>> 24] ^ TI1[(a2 >> 16) & 0xFF]
                    ^ TI2[(a1 >> 8) & 0xFF] ^ TI3[a0 & 0xFF] ^ K[47];

            a0 = TI0[ti0 >>> 24] ^ TI1[(ti3 >> 16) & 0xFF]
                    ^ TI2[(ti2 >> 8) & 0xFF] ^ TI3[ti1 & 0xFF] ^ K[48];
            a1 = TI0[ti1 >>> 24] ^ TI1[(ti0 >> 16) & 0xFF]
                    ^ TI2[(ti3 >> 8) & 0xFF] ^ TI3[ti2 & 0xFF] ^ K[49];
            a2 = TI0[ti2 >>> 24] ^ TI1[(ti1 >> 16) & 0xFF]
                    ^ TI2[(ti0 >> 8) & 0xFF] ^ TI3[ti3 & 0xFF] ^ K[50];
            a3 = TI0[ti3 >>> 24] ^ TI1[(ti2 >> 16) & 0xFF]
                    ^ TI2[(ti1 >> 8) & 0xFF] ^ TI3[ti0 & 0xFF] ^ K[51];
        }
        if (rounds > AES_192_ROUNDS) {
            ti0 = TI0[a0 >>> 24] ^ TI1[(a3 >> 16) & 0xFF]
                    ^ TI2[(a2 >> 8) & 0xFF] ^ TI3[a1 & 0xFF] ^ K[52];
            ti1 = TI0[a1 >>> 24] ^ TI1[(a0 >> 16) & 0xFF]
                    ^ TI2[(a3 >> 8) & 0xFF] ^ TI3[a2 & 0xFF] ^ K[53];
            ti2 = TI0[a2 >>> 24] ^ TI1[(a1 >> 16) & 0xFF]
                    ^ TI2[(a0 >> 8) & 0xFF] ^ TI3[a3 & 0xFF] ^ K[54];
            ti3 = TI0[a3 >>> 24] ^ TI1[(a2 >> 16) & 0xFF]
                    ^ TI2[(a1 >> 8) & 0xFF] ^ TI3[a0 & 0xFF] ^ K[55];

            a0 = TI0[ti0 >>> 24] ^ TI1[(ti3 >> 16) & 0xFF]
                    ^ TI2[(ti2 >> 8) & 0xFF] ^ TI3[ti1 & 0xFF] ^ K[56];
            a1 = TI0[ti1 >>> 24] ^ TI1[(ti0 >> 16) & 0xFF]
                    ^ TI2[(ti3 >> 8) & 0xFF] ^ TI3[ti2 & 0xFF] ^ K[57];
            a2 = TI0[ti2 >>> 24] ^ TI1[(ti1 >> 16) & 0xFF]
                    ^ TI2[(ti0 >> 8) & 0xFF] ^ TI3[ti3 & 0xFF] ^ K[58];
            a3 = TI0[ti3 >>> 24] ^ TI1[(ti2 >> 16) & 0xFF]
                    ^ TI2[(ti1 >> 8) & 0xFF] ^ TI3[ti0 & 0xFF] ^ K[59];
        }

        ti0 = TI4[a0 >>> 24] & 0xFF000000 ^ TI4[(a3 >> 16) & 0xFF] & 0xFF0000
                ^ TI4[(a2 >> 8) & 0xFF] & 0xFF00 ^ TI4[a1 & 0xFF] & 0xFF ^ K[0];
        ti1 = TI4[a1 >>> 24] & 0xFF000000 ^ TI4[(a0 >> 16) & 0xFF] & 0xFF0000
                ^ TI4[(a3 >> 8) & 0xFF] & 0xFF00 ^ TI4[a2 & 0xFF] & 0xFF ^ K[1];
        ti2 = TI4[a2 >>> 24] & 0xFF000000 ^ TI4[(a1 >> 16) & 0xFF] & 0xFF0000
                ^ TI4[(a0 >> 8) & 0xFF] & 0xFF00 ^ TI4[a3 & 0xFF] & 0xFF ^ K[2];
        ti3 = TI4[a3 >>> 24] & 0xFF000000 ^ TI4[(a2 >> 16) & 0xFF] & 0xFF0000
                ^ TI4[(a1 >> 8) & 0xFF] & 0xFF00 ^ TI4[a0 & 0xFF] & 0xFF ^ K[3];

        p[po] = (byte) (ti0 >>> 24);
        p[po + 1] = (byte) ((ti0 >> 16) & 0xFF);
        p[po + 2] = (byte) ((ti0 >> 8) & 0xFF);
        p[po + 3] = (byte) (ti0 & 0xFF);
        p[po + 4] = (byte) (ti1 >>> 24);
        p[po + 5] = (byte) ((ti1 >> 16) & 0xFF);
        p[po + 6] = (byte) ((ti1 >> 8) & 0xFF);
        p[po + 7] = (byte) (ti1 & 0xFF);
        p[po + 8] = (byte) (ti2 >>> 24);
        p[po + 9] = (byte) ((ti2 >> 16) & 0xFF);
        p[po + 10] = (byte) ((ti2 >> 8) & 0xFF);
        p[po + 11] = (byte) (ti2 & 0xFF);
        p[po + 12] = (byte) (ti3 >>> 24);
        p[po + 13] = (byte) ((ti3 >> 16) & 0xFF);
        p[po + 14] = (byte) ((ti3 >> 8) & 0xFF);
        p[po + 15] = (byte) (ti3 & 0xFF);
    }

    /**
     * Method for one block of encryption.
     *
     * @param plain [in] the plaintext to be encrypted.
     * @param pOff [in] the plaintext offset in the array of bytes.
     * @param cipher [out] the encrypted ciphertext output.
     * @param cOff [in] the ciphertext offset in the array of bytes.
     */
    void encryptBlock(byte[] plain, int pOff, byte[] cipher, int cOff) {
        implEncryptBlock(plain, pOff, cipher, cOff);
    }

    /**
     * Method for one block of decryption.
     *
     * @param cipher [in] the ciphertext to be decrypted.
     * @param cOff [in] the ciphertext offset in the array of bytes.
     * @param plain [out] the decrypted plaintext output.
     * @param pOff [in] the plaintext offset in the array of bytes.
     */
    void decryptBlock(byte[] cipher, int cOff, byte[] plain, int pOff) {
        implDecryptBlock(cipher, cOff, plain, pOff);
    }
}
